Nicole Scherzinger Holds On To Simon Cowell's Girlfriend After Partying It Up At His Birthday Bash!

Looks like someone celebrated a little too hard!!
Nicole Scherzinger had to be helped to her car by Simon Cowell‘s girlfriend Lauren Silverman after the X Factor UK judge’s big 57th birthday bash in London on Wednesday night!
We’re sure some people might be able to relate!
Related: Nicole Richie Celebrates Her Birthday With Side Boob!
Anyway, the 38-year-old still looked stylish as she made her exit, rocking a silky red DKNY tunic over skinny black jeans.
She was definitely dressed for a party!
[Image via WENN.]