Katy Perry is one festive pop star! The "Dark Horse" singer donned a delicious gingerbread woman costume for the holidays, Instagramming on Dec. 30, 2014: "#OOTW!!! I hope it's not too late to get best dressed 2k14 ?Thanks to my friends @belovedshirts for
Jennifer Lopez brought back the "Booty" while Taylor Swift basked in her "Blank Space" success at the 2014 American Music Awards on Sunday night, Nov. 23, 2014. Click the pics to see the sexy, strange and stand-out styles from one of music's biggest night