Hilary Duff sunglasses pregnant wave spandex

While Hilary Duff had a rough weekend (on Sunday she tweeted, "ugh... can't sleep..... #officiallybabyspersonaltrampoline!!!!"), it looks like she was finally able to get some rest and hit the gym today.

The pregnant starlet was spotted arriving at her Pilates class in Studio City, and she was just as cheerful as ever as she hopped out of her car. Hil is due to give birth in less than two months, so she's still got a ways to go -- hopefully her sleep troubles aren't too bad during the home stretch!