Although Rihanna spent most her birthday performing at the NBA All-Star show, the R&B star seems to have got just enough time to have a blast at a private house party.

Rihanna turned 23 on February 20. After performing at the NBA All-Star game in Los Angeles, Rihanna hurried to the house in Beverly Hills, where her VIP friends gathered to wish her.

A party guest has revealed the inside details of Rihanna's birthday bash.

Start the slideshow to get the inside scoop and follow the birthday girl on his big day through the photos: