In photos: Celebrities at the 59th Grammy Awards
Singer Rihanna attended the 59th Grammy Awards on Monday in a gown by Armani Privé. Lady Gaga wore a black custom-made ensemble by Chrome Hearts while Katy Perry wore a glittery Tom Ford dress. Jennifer Lopez was seen in a purple Ralph & Russo Couture gown while Beyoncé wore a red glittery dress by Peter Dundas.\n