Ashlee Simpson & Vincent Piazza: Cheesecake Couple!

Ashlee Simpson and her beau Vincent Piazza share a hug outside of The Cheesecake Factory on Sunday (December 18) in North Hollywood, Calif.

The 27-year-old singer walked arm-in-arm with her boyfriend as the two exchanged hugs and sweet kisses after their lunch.

PHOTOS: Check out the latest pics of Ashlee Simpson

Earlier in the week, Ashlee and her older sis Jessica Simpson went on The Rachael Ray show together – the sisters’ first television interview together! Be sure to check it out in case you missed it.