Tara Reid blonde jacket mr. chow dinner

This is the happiest we've ever seen her look!

Tara Reid and a mystery man hit up Mr. Chows in Beverly Hills for dinner last night, and the American Pie cutie decided to dress for the occasion in a blue blouse adorned with Chinese symbols and black skinny jeans.

The blonde beauty had a huge smile on her face as she left the restaurant, and we're wondering if that has something to do with a budding new romance?

The notorious party girl attended Justin Timberlake's relaunch of MySpace party at the El Rey on Wednesday night, but other than that she has sort of been staying off the radar and letting Amanda Bynes shine!

Still, she had to remind us of her party-girl ways ... When we asked her what the best cure for a hangover is, she told us it's alcohol! Roll tape! ...