Question: Love Drunk included the single that features which American singer?
Context: "Two Is Better Than One" is a song by the American rock band Boys Like Girls from their second studio album "Love Drunk" (2009) and this song features American singer Taylor Swift.  It was written by Martin Johnson and Swift and the song is the band's second official single from the album.  On some advanced copies of the album sent to reviewers and members of the press, the song does not feature Swift, rather, Johnson handles all vocals. "Love Drunk" is the debut single by R&B singer Loick Essien, it features uncredited vocals from Labrinth.  It is the first single released from his upcoming debut album "Identity".  It was released on 12 September 2010 on Sony Music Entertainment.  The song entered the UK Singles Chart at number 57.  The remix version features British rapper Bashy. Love Drunk is the second studio album recorded by rock/pop band Boys Like Girls.  The album was recorded half in New York City and Vancouver because there are "two different producers/production teams, two different environments, and two different styles of inspiration", stated by the band's frontman, Martin Johnson.  The album peaked at #8 on "Billboard" 200, making it the biggest hit for the band.  Its lead single, titled "Love Drunk" was released on July 7, 2009 shortly followed by "She's Got a Boyfriend Now", "Two Is Better Than One" (featuring Taylor Swift) and "Heart Heart Heartbreak". American singer Kelly Clarkson has recorded material for her seven studio albums.  After signing a contract in 2002 with RCA Records, a division of then-Bertelsmann Music Group (now Sony Music), 20-year-old Clarkson released the double A-side single "Before Your Love" / "A Moment Like This" and began to record tracks for her debut studio album, "Thankful" (2003).  Its lead single, "Miss Independent", received a nomination for a Grammy Award for Best Female Pop Vocal Performance in 2004.  "Miss Independent" was followed by "Low" and "The Trouble With Love Is", which was featured as a single from the soundtrack of the film "Love Actually".  In 2004, Clarkson recorded the song "Breakaway", which was released as a single from the of the film "".  The song's commercial success inspired Clarkson to name her second studio album "Breakaway".  The album won a Grammy Award for Best Pop Vocal Album in 2006, while its second single, "Since U Been Gone", won for Best Female Pop Vocal Performance.  Subsequent singles, "Behind These Hazel Eyes" (2005), "Because of You" (2005), and "Walk Away" (2006), became successful hits.  Clarkson's third studio album, "My December", was released in 2007.  The album became a subject of a dispute with then RCA Music Group chairman Clive Davis, who criticized the album and suggested that Clarkson reunite with her previous collaborators. " Never Again", the lead single from "My December", became its only hit single.  Succeeding releases from "My December" included "Sober", "One Minute", and "Don't Waste Your Time". Boys Like Girls is an American pop rock band from Boston, Massachusetts.  Formed in 2005, the group gained mainstream recognition when it released its self-titled debut album.  Boys Like Girls was the co-headliner with Good Charlotte for the Soundtrack of Your Summer Tour 2008 that toured across the United States.  The group's second studio album "Love Drunk", was released on September 8, 2009. "Blow" is a song recorded by American singer Beyoncé from her self-titled fifth studio album (2013).  It was written by Beyoncé, Pharrell Williams, Timbaland, J-Roc, James Fauntleroy and Justin Timberlake, and produced by the former four.  It was set to be released as one of the lead singles following the release of the album along with "Drunk in Love", however, its release was scrapped in favor of "XO". "Love Drunk" is the lead single from rock band Boys Like Girls' second studio album of the same name (2009).  It is their second highest charting single to date, peaking at No. 22 on the "Billboard" Hot 100 and has received generally positive reviews.  It was first released in the US on June 30, 2009 through Sony Music. "Drunk in Love" is a song recorded by American singer Beyoncé featuring her husband, American rapper Jay Z.  The duo along with production and writing credited by Detail, Andre Eric Proctor, Rasool Diaz, Brian Soko, Timbaland, Jerome Harmon and Boots composed the song for Beyoncé's self-titled fifth studio album (2013).  Columbia Records released "Drunk in Love" as one of the two lead singles from "Beyoncé" on December 17, 2013.  The song was dominated by trap beats in chunks and bass.  Its lyrics, which depict female sexuality, are sung by Beyoncé in a sensual and confident way. "Heart Heart Heartbreak" is a song written by Boys Like Girls' lead singer Martin Johnson, along with Sam Hollander and Dave Katz of the production team S*A*M and Sluggo.  The song is the third single released from Boys Like Girls' second studio album, "Love Drunk" and was released on April 13, 2010. Pussy Cats is the tenth album by American singer Harry Nilsson, released in 1974.  It was produced by John Lennon during his "Lost Weekend" period.  The album title was inspired by the bad press Nilsson and Lennon were getting at the time for being drunk and rowdy in Los Angeles.  They also included an inside joke on the cover – children's letter blocks "D" and "S" on either side of a rug under a table − to spell out "drugs under the table" in code.
Answer: Taylor Swift