Julia Stiles Shares Adorable New Pic of Her Baby Bump: 'I Couldn't Resist'

Julia Stiles is glowing!

The 36-year-old actress is currently pregnant with her first child, and proudly showed off her baby bump on Instagram on Tuesday. Stiles took a selfie of her profile, looking chic in a stretchy black dress.

"Alright, I couldn't resist," she wrote.

PIC: Julia Stiles Shows Off Her Baby Bump for the First Time Since Announcing Pregnancy

Stiles' rep confirmed to ET in June that the 10 Things I Hate About You star is expecting with her fiance, Preston J. Cook. The couple has been engaged since Christmas Eve in 2015.

NEWS: Julia Stiles Pregnant With First Child

Check out her stunning engagement ring in the video below: