Question: Which American singer, songwriter and record producer born in 1977 sang at the 2014 Billboard Music Awards?
Context: "Get Her Back" is a song by American recording artist Robin Thicke.  The song was released on May 19, 2014 via Star Trak Entertainment and Interscope Records as the lead single from the album "Paula".  The song was written as an attempt to reconcile with his wife, actress Paula Patton, whom he had separated from in February 2014.  Thicke performed and premiered the song live at the 2014 Billboard Music Awards, which generated attention before and after the awards ceremony.  The single peaked at #82 on the "Billboard" Hot 100. Pepper's ghost is an illusion technique used in theatre, amusement parks, museums, television, and concerts.  It is named after John Henry Pepper (1821–1900), a scientist who popularized the effect in a demonstration in 1862.  Examples of the illusion are the Girl-to-Gorilla trick found in old carnival sideshows and the appearance of "Ghosts" at the Haunted Mansion and the "Blue Fairy" in Pinocchio's Daring Journey at the Disneyland park in California.  Teleprompters are a modern implementation of Pepper's ghost.  The technique was used for the appearance of Tupac Shakur onstage with Dr. Dre and Snoop Dogg at the 2012 Coachella Music and Arts Festival and Michael Jackson at the 2014 Billboard Music Awards. "Tiptoe" is a song written and recorded by American rock band Imagine Dragons, for their debut studio album "Night Visions".  The song appears as the second track on the album.  Bubbling under the "Billboard" Hot 100 at #13, it has also peaked at #34 on the "Billboard" Rock songs chart.  The song was performed by the group at the 2014 Billboard Music Awards.  The theme of the song deals with the speaker's victory over something momentous, despite his not being noticed or recognized by others. Andrew Michael Parks (born December 3, 1991), known professionally as Drew Parks, is an American rapper, record producer, singer, and songwriter from Metro Detroit, Michigan.  Widely reported as an emerging Hip hop artist, Drew Parks began producing, rapping, writing, and recording music at age 10, and first gained national notice in early 2010 when his music video "Beyond Me" was added to FuseTV and Comcast OnDemand.  He is also known for performances at various concerts in Michigan and at national events including the Sundance Film Festival in Park City, Utah, and the SXSW Music Conference in Austin, Texas.  In 2012, Drew Parks was one of 18 artists in the United States selected by Billboard magazine to compete in the 2012 Billboard Music Awards Battle of the Bands competition. Robin Charles Thicke (born March 10, 1977) is an American singer, songwriter and record producer. As of June 2017, Nigerian recording artist Wizkid has received a total of 43 awards from 157 nominations.  He is the recipient of two BET Awards, three Billboard Music Awards, two iHeartRadio Music Awards, one MTV Europe Music Awards, four MTV Africa Music Awards, one iHeartRadio Much Music Video Awards,two SoundCity MVP Awards, one African Pride Award, two MOBO Award, six The Headies Awards, two Channel O Music Video Awards, six Nigeria Entertainment Awards, two Ghana Music Awards, two Dynamix All Youth Awards, two City People Entertainment Awards, and a Future Award.  In addition, he has been nominated five times at the MTV Europe Music Awards, three times at the American Music Awards, once at the Grammy Awards, as well as four times at the World Music Awards. Transformative Media LLC was founded in 2014 as a digital production company.  They are executive producers, advisors, and business development managers for Pulse Evolution Corporation, creators of the Michael Jackson hologram performance at the 2014 Billboard Music Awards.  On Aug. 26, 2014, Pulse formed a partnership with the estate of Elvis Presley to develop a virtual "King of Rock 'n' Roll." "Somethin' Bad" is a song recorded as a duet by American country music artists Miranda Lambert and Carrie Underwood.  The song was written by Chris DeStefano, Brett James, and Priscilla Renea.  It was released as the second single from Lambert's fifth studio album "Platinum" in advance of the album's release two weeks later.  The song premiered at the 2014 Billboard Music Awards on May 18, 2014, and was released for sale the next day. The "Billboard" Music Award for Top Country Artist recognizes the most successful country artists on the Billboard Charts over the past year.  Since 2011, Taylor Swift and Luke Bryan are the only artists to have won the award twice, and is also the only artist to be nominated for it every year it was awarded until 2015 and 2016. Garth Brooks hold the record of most awards in this category with three wins.Dixie Chicks became the first group to win it in the 1999 Billboard Music Awards, and Garth Brooks became the first male solo artist to win it in 1992 Billboard Music Awards. "Slave to the Rhythm" is a song by American recording artist Michael Jackson.  The song is the 5th track of Jackson's second posthumous album "Xscape".  Despite not being released as a single, the song appeared on several notable music charts due to digital downloads and streaming.  Sony Mobile used a snippet of "Slave to the Rhythm" in their advertising campaign for the Xperia Z2 mobile phone.  It was performed live at the 2014 Billboard Music Awards with a "Pepper's ghost" of Michael Jackson.  Due to streaming of the "hologram" performance on Billboard, the song debuted at number 45 on the "Billboard" Hot 100, giving Jackson a posthumous 50th entry on the Billboard Hot 100.
Answer: Robin Thicke