Christina Aguilera treats fans to free coffee

Pop star Christina Aguilera treated freezing fans to free coffee as she made an unexpected visit to a local Starbucks.
The 'Beautiful' hitmaker paid a visit to the tourist-heavy Rockefeller Center concourse earlier this week, and stopped by the popular coffee shop much to other customers' surprise, reported E!Online.
READ: It's 'homecoming' for Christina Aguilera on 'The Voice'!
"There were only about 10 people in the store at first, but when people started to realise who she was more and more (people) came in.She took a lot of time to take pictures with the customers," an onlooker said.
Aguilera, 34, also took to Twitter and posted a photo of herself autographing a paper cup, and added the caption, "Coffee on me for the next hour! Head to 30 Rock (30 Rockefeller Plaza)! Xo Xtina (sic)."
For latest Hollywood updates follow TOI Entertain on Twitter >>> @TOIEntertain
For the latest in Hollywood news, like TOI Entertaiment on Facebook >>> TOIEntertain
Listen to Christina Aguilera's songs on Gaana.com
WATCH: Christina Aguilera Tweets A Pic Of Her Baby Bump