"Please welcome the following to the line up of my UNICEF acoustic charity show in NY on Jan. 19th @bridgitmendler and @only1noah," she announced on the social site.
Yep, you read it right, Bridgit Mendler will be a guest at the show!
The big concert will be at the Best Buy Theater on Saturday, January 19!
Want to get tickets? They're on sale for $100 each and can be purchased at Ticketmaster. Selena Gomez Fan Club members can buy meet and greet packages HERE!
Selena was appointed UNICEF Ambassador in September 2009. This will be her third acoustic concert for the charity. In 2011, her concert raised over $200,000! UNICEF provides children across the world with proper nutrition, clean water, medicine, education and more.
Are you excited Bridgit's set to perform? Do you think they'll sing together? Let us know!
Gallery | Selena Gomez's Red Carpet Style