Keri Hilson: What's in My Bag?

Keri Hilson: What's in My Bag?

Keri Hilson's Louis Stewart zebra bag is a treasure trove of beauty essentials.

The 28-year-old singer -- who released her sophomore album, No Boys Allowed, on December 21 -- recently opened up her purse for

"I always keep a water bottle in my purse. Always!" she tells Us Weekly Beauty Director Gwen Flamberg.

Also in the R&B diva's bag? Gucci Envy perfume and Dermablend foundation!

To find out which other beauty must-haves the "Pretty Girl Rock" singer keeps on her at all times, watch the video (above).