Gwen Stefani Shows Major Stage Presence During Medley Performance on 'Tonight Show' - Watch Now!

Gwen Stefani shows off her bold style while performing on Tonight Show Starring Jimmy Fallon on Monday (February 2) in Los Angeles.

The 45-year-old singer sang a medley of hits, such as “Spark the Fire,” “Rich Girl,” “What You Waiting For?,” and “The Sweet Escape.”

PHOTOS: Check out the latest pics of Gwen Stefani

“Had a blast singing with @theroots tonight! Thank you for having me @jimmyfallon! #PricelessSurprises,” Gwen tweeted after her performance.

If you weren’t aware, Gwen has just launched an exciting “GoFindGwen” scavenger hunt via social media to promote her upcoming MasterCard concert on Saturday (February 7).

FYI: Gwen is wearing Norman Silverman Diamonds earrings and ring and EF Collection ring.