Sticking to the Grammy Award dress code, Beyonce covered up in a black pantsuit and Rihanna went for an elegant red gown. The always discreet Taylor Swift looked stunning on a silver-and-ivory pleated J. Mendel gown. Jennifer Lopez crossed the code's lines and wore a sexy black gown slit up her thigh on one side and Katy Perry bared her cleavage in a green Gucci gown.

See the Most Beautiful Red Carpet Dresses at the Grammy Awards 2013 Here!