Question: Rihanna performed "Where have you been" at what charity event?
About the article "Where Have You Been", section "Live performances".

Candidate passages:
Rihanna performed "Where Have You Been" for the first time live at the 2012 Post-Grammy Charity Fundraiser, along with "We Found Love", on February 13, 2012.
On April 15, 2012, Rihanna performed the song at the Coachella Valley Music and Arts Festival, again with "We Found Love".
On May 5, 2012, Rihanna performed the song on "Saturday Night Live" in the United States.
The performance featured an aesthetic similar to that of the music video; the "SNL" set was decorated in a "One Thousand and One Nights" fashion.
Rihanna and her backup dancers performed a highly choreographed dance routine, the same as the music video, and wore Arabian inspired outfits.
She also performed the song at the 2012 Robin Hood Benefit in New York.
The performance was in "Cleopatra" style.
The singer performed the song on "American Idol"'s season 11 finale on May 23, 2012.
Rihanna performed "Where Have You Been" at Radio 1's Hackney Weekend on June 24, 2012, as the tenth song on the set list.
The performance featured a giant sphinx on the stage.
"We Found Love" was the first performed song from the album, as it was performed for the first time on November 14, 2011 at Rihanna's Loud Tour (2011) in London.
On November 17, 2011 Rihanna performed the song on first season of "The X Factor USA".
The performance featured Rihanna wearing torn jeans and a bomber jacket with neon signs also present on the stage.
On November 20, 2011 Rihanna performed the song on eighth season of "The X Factor UK", featuring Rihanna wearing a small tartan dress.
On February 12, 2012, Rihanna performed "We Found Love" at the 2012 Grammy Awards held at the Staples Center in Los Angeles, followed by her duet single "Princess of China" with Coldplay for first time.
John Mitchell from MTV News said he thought Rihanna looked "gorgeous" and that she gave "off a Tina Turner vibe – Rihanna rocked the blond locks she introduced recently, wearing a tight, belly-baring ensemble."
"USA Today"s writer Ed Masley, praised the performance, describing it as "shout in shout-out".
"The Huffington Post" also noted that the performance had "a twinge of Tina Turner".
"Time" magazine graded the performance with an A, saying that "Rihanna never disappoints.
Her pop songs are always danceable, often catchy and consistently awesome – sometimes they even have some substance to them.
Similarly, her Grammy performance wasn’t the flashiest or craziest, and she didn’t bust out dance moves the way other entertainers did, but it was one of the most enjoyable.
"Later that month, the singer performed the song at the 2012 BRIT Awards held on February 21, 2012 at The O2 Arena in London.
The performance began with Rihanna, in only an old grandad-style jumper covering her body, in a clear cage as colourful paint began to be thrown inside with her, although none was thrown onto the singer herself.
Dancers were also present as Rihanna emerged from the cage and began dancing along the broad stretch of stage.
The performance concluded with big multi-coloured balloons pouring down red confetti from the ceiling as they burst, finalizing with Rihanna returning to the paint-covered cage and smearing it over herself ending with her silhouette being broadcast through the cage.
At the ceremony, Rihanna also won the award for Best International Female Solo Artist.
Whilst promoting her first feature film appearance in "Battleship", Rihanna made a rare visit to Japan, performing "We Found Love" on the Japanese music television program Music Station.
She donned a traditional kimono and concluded the performance by crowd surfing into the audience.
Rihanna's first performance of "Talk That Talk" was made on "The Jonathan Ross Show", in the United Kingdom, aired on March 3, 2012.
The singer performed a solo version of the track, and was also interviewed.
Rihanna performed "Where Have You Been" for the first time live at the 2012 Post-Grammy Charity Fundraiser, along with "We Found Love", on February 13, 2012.
On April 15, 2012, Rihanna performed the Song at the Coachella Valley Music and Arts Festival, along with "We Found Love".
She wasn't an official performer at the festival but she joined Calvin Harris on his set.
On May 5, 2012, Rihanna performed "Where Have You Been" and a Medley of "Birthday Cake" and "Talk That Talk" on "Saturday Night Live" in the United States.
The performance of "Where Have You Been" featured an aesthetic similar to that of the music video; the "SNL" set was decorated in an "One Thousand and One Nights" fashion.
Rihanna and her backup dancers performed a highly choreographed dance routine, the same as the music video, and they wore Arabian inspired outfits.
The performance of the medley with the original interlude version of "Birthday Cake" and "Talk That Talk" started with the singer performing "Birthday Cake" and featured Rihanna in an all black outfit with a giant spiders web as the backdrop behind her.
After she performed a short section of the song, it transitioned into "Talk That Talk", where she performed her part of the song in full, without the rap vocal by Jay-Z. 
  Rihanna - "Where Have You Been"  P!nk - "Blow Me (One Last Kiss)"  
As part of promotion for the release of "Unapologetic" on November 19, 2012, Rihanna premiered "Stay" on "Saturday Night Live" on November 10, 2012.
She also performed the album's lead single "Diamonds".
Rihanna performed a solo version of "Stay", without guest vocalist Ekko.
Rihanna wore a Bob Marley dress and adorned red lipstick.
Jocelyn Vena for MTV praised the singer's performance, writing "Rihanna used her touching vocals to prove that not only can she sex up a performance but she can also sing the heck out of one."
Erika Ramirez noted that Rihanna "belted out the song.
"During the seven days prior to the release of the album, Rihanna embarked on the 777 Tour, a seven-date promotional tour where she performed seven concerts in seven different cities in seven different countries across North America and Europe.
Not included on the set list at the first concert in Mexico City, she performed "Stay" at the second concert in Toronto as part of a medley with "Love the Way You Lie".
The solo version of the song was performed the third concert in Stockholm.
At the fourth concert in Paris, it was performed as the ninth song out of 13 in between "S&M" and "Where Have You Been", preceded by a snippet of "Take Care".
The fifth and sixth concerts were held in Berlin and London, respectively, where Rihanna performed "Stay" both nights in between "S&M" and "Unfaithful".
The seventh and final concert was held in New York City, where "Stay" was also performed.
Erika Ramirez for "Billboard" attended all seven concerts as part of the press committee, where she described the audience as being in a "trance" as the singer performed the song.
Rihanna performed "Stay" at the final of the ninth series of "The X Factor" on December 9, 2012.
Once she had finished performing the song, it transitioned into an acoustic version of "We Found Love" followed by the original version.
Rihanna wore a short white dress, with white T-bar shoes, diamond earrings and matching silver jewellery.
The singer performed "Stay" together with Mikky Ekko at the 2013 Grammy Awards on February 10, 2013.
The performance featured the singer standing in front of a "dimly lit set" and was dressed in a long "curve-hugging" dark dress.
Mikael Wood of "Los Angeles Times" positively reviewed the performance and wrote that it was the most memorable moment of the night.
Charley Rogulewski of "Vibe" in a review of the rendition wrote, "Her [Rihanna's] beautiful voice took center stage during the duet, assuring those watching why she was worthy of her six Grammys".
A reviewer of Capital FM wrote that Rihanna looked visibly moved by the performance as she showed her "impressive vocals".
The solo version of "Stay" is included as part of the set list on Rihanna's fifth headlining concert tour, the "Diamonds World Tour", as the twenty-seventh track and first of the encore. 
Pop stars Nicki Minaj and Rihanna donned bikinis for the music videos in 2012.
Minaj wore a neon pink bikini for "Starships" and Rihanna wore a micro bikini for "Where Have You Been".