Nick Jonas Covers Joe's 'See No More'

Nick Jonas sports a classic plaid jacket as he hits the stage at the grand opening for the Microsoft Store at Westfield Shopping Center on Friday afternoon (July 1) in Century City, Calif.

The 18-year-old musician tweeted his excitement for big brother Joe‘s new single, “See No More,” and as a treat for his fans — performed it!

Nick also tweeted his thanks, “So great to play today! Thanks to everyone that came out!”

Girlfriend Delta Goodrem was watching Nick perform from the wings.

Check out his cover, plus a new song, below! 10+ pics inside…