Hilary Duff: Thankful Birthday Girl!

Hilary Duff makes her way out of the Montage Hotel on Tuesday (September 27) in Beverly Hills, Calif.

The actress and mama-to-be celebrates her 24th birthday today – happy birthday, Hil!

PHOTOS: Check out the latest pics of Hilary Duff

Earlier in the day, Hilary thanked all her fans for making her birthday a trending topic on Twitter.

“Thanks for all the early bday wishes guys,” Hil said. “Getting my little self trending on the twitter!! Great bday pressie. Love love love.”