Lindsay Lohan can’t stop smiling

Looking in fine form following her fun-filled birthday, Lindsay Lohan was spotted leaving Samantha Ronson’s house in Los Angeles on Friday (July 3).

Wearing a black tank top with denim short-shorts, the "Mean Girls" actress offered up a big smile as she toted her trusty can of Coca-Cola while easing her way past awaiting paparazzi.

As previously reported, Miss Lohan enjoyed a daylong outing with Samantha Ronson in celebration of her 23rd birthday yesterday.

The two grabbed up a pizza lunch at Tra Di Noi in Malibu, then making a stop at the hair salon before having dinner at Cecconi’s and clubbing at Villa.

Needless to say, it appears that all is well in the roller coaster romantic life of LiLo and Sam!