Katy Perry: Petal Power for MusiCares!

Katy Perry rocks a giant flower hat at the 2012 MusiCares Person of the Year Tribute held at the Los Angeles Convention Center on Friday (February 10) in Los Angeles.

The 27-year-old singer, who wore an Alexis Mabille couture dress, attended the event to pay tribute to this year’s honoree, Paul McCartney.

PHOTOS: Check out the latest pics of Katy Perry

“Tonights lewk is Petal Power themed #PAULMCCARTNEYMUSICCARES” Katy tweeted!

On the red carpet, Katy met up with fellow musician pal Alicia Keys.

FYI: Katy accessorized with Christian Louboutin shoes, a Carrera y Carrera ring, Norman Silverman earrings, and a Judith Leiber clutch. Alicia is wearing a YSL top, Gucci skirt, Christian Louboutin shoes, and Amrapali jewels.

10+ pictures inside of Katy Perry rocking the red carpet at the 2012 MusiCares Tribute…