JoJo: House of Blues in Boston!

JoJo shows off her toned tummy as she hits the House of Blues stage in Boston, Mass., on Tuesday night (September 6).

The 20-year-old musician is on the road with Joe Jonas and Jay Sean and was really excited about kicking things off in her hometown.

“Boston- I am so excited!!!! My fam is here…My pals are here… I hope to see you folks tonight at House of Blues ;-) !!” JoJo tweeted, adding, “Wow… Look who showed up… My Dad :-) What a night… Thanks Boston. I had SO much fun.”

WERE YOU AT the concert?