Happy 24th Birthday Lindsay Lohan! There's no better way for Lindsay to celebrate her birthday than by getting her drink on and snorting lots of coke except that's impossible to do when you're wearing your fashionable SCRAM bracelet! Lindsay tried having a sober good time last night while partying at Voyeur in L.A. last night but that came to an end when a waitress b*tch smacked her!

Lindsay posted a message on Twitter that "A waitress just hit me - punched me for no reason" and a witness to the smack her around the club told Us magazine that Lindsay's not lying! Write this day down on your calendar folks.

"The waitress has a history with Doug Reinhardt, and Lohan was hanging out with him. She was jealous, and out of nowhere, the waitress punched her in the face!" the insider tells Us. "Doug didn't want any part of it and went to the other side of the booth. Lohan ran out."

Lindsay decided to celebrate at Rockstar House where she ran into the waitress again.

"Lohan showed up and cried because the waitress was there as well. Some birthday."

Some birthday indeed! Nothing puts a bigger smile on my face than hearing Lindsay was slapped like a pimp hitting his ho. That may be the best birthday present anyone could ever give her.