Rapper Tyga served with brand new lawsuit at his birthday party

Tyga's birthday was full of surprises Friday night ... he got himself a brand new lawsuit, and it was even hand delivered.

Tyga rolled into Penthouse nightclub in WeHo when a guy popped out of nowhere and served him with legal docs. The process server was unceremoniously and forcibly removed.

As for why Tyga got served it could be the Lambo, the Maybach, the Ferrari, jewelry, a home ... who knows?

Watch the video below of Tyga being served

       

Credit: TMZ