On what date did the announcement of " Starships " take place ?
Fun featuring Janelle Monáe - " We Are Young " Flo Rida featuring Sia - " Wild Ones " Katy Perry - " Part of Me " Chris Rene - " Young Homie " Ed Sheeran - " Lego House " Train - " Drive By " Annah Mac - " Girl In Stilettos " One Direction - " What Makes You Beautiful " Nicki Minaj - " Starships " Labrinth featuring Tinie Tempah - " Earthquake " David Guetta featuring Nicki Minaj - " Turn Me On " Rihanna - " Where Have You Been " Marina & The Diamonds - " Primadonna " Karmin - " Brokenhearted " Kelly Clarkson - " Stronger ( What Does n't Kill You ) " The Wanted - " Glad You Came " Drake Feat .