Kate Hudson & Kelly Rowland Present at iHeartRadio Music Fest!

Kate Hudson is form-fittingly sexy while attending the 2013 iHeartRadio Music Festival at the MGM Grand Garden Arena on Friday (September 20) in Las Vegas.

The 34-year-old actress introduced Katy Perry before she took the stage, where she performed her new single “Dark Horse.”

PHOTOS: Check out the latest pics of Kate Hudson

Kelly Rowland and Jason Derulo were also presenters at the music festival.

Earlier in the day, Kate was spotted wearing a purple outfit at the music festival, where her partner Matthew Bellamy also performed with his band Muse.

FYI: Kate is wearing a W. Britt ring and bracelet and Lizzie Mandler Crescent Charm Necklace.

15+ pictures inside of Kate Hudson and Kelly Rowland introducing performers at the iHeartRadio Music Festival…