Nicole Scherzinger: 'Don't Hold Your Breath' Now on iTunes!

Nicole Scherzinger and her boyfriend, British race car driver Lewis Hamilton, leave a restaurant after having lunch on Tuesday (August 16) in Los Angeles.

The 33-year-old singer and X Factor judge’s new U.S. single, “Don’t Hold Your Breath,” is now available on iTunes!

PHOTOS: Check out the latest pics of Nicole Scherzinger

“U all are the best! Don’t Hold Your Breath keeps climbing on the US charts! Let’s get it to #1! #DHYB,” Nicole wrote on her Twitter page.

In case you missed it, check out Nicole in some new promo shots for The X Factor!

FYI: Nicole is carrying a Rebecca Minkoff Zip Clutch.