JoJo hit the black carpet at the 2011 MTV Video Music Awards at the Nokia Theater in Los Angeles over the weekend and looked adorable in a black Marco Marco mini. 

The 21-year-old singer chatted with our own Katie Krause all about her brand new single Disaster!

 The pop star just revealed that she is set to join Joe Jonas and Jay Sean on their 19-city North American tour this fall, with the kick off on September 6th in JoJo's hometown of Boston!  Also on September 6th, Disaster, which hit airwaves this week, will be available for digital download. 

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Of the new tune, JoJo told Katie, "It's about how sometimes you find yourself so deep into a horrible relationship that you're like 'how did I end up in this disaster?  I compromised my own morals, how did I do this?'"

Here's a complete list of tour dates for JoJo, Joe & Jay!

Tues, Sept 6TH Boston, MA House of Blues
Wed, Sept 7TH Upper Darby, PA Tower Theatre
Sat, Sept 10TH Toronto, ON Sound Academy
Mon, Sept 12TH Chicago, IL House of Blues
Thurs, Sept 15TH Minneapolis, MN First Avenue
Sat, Sept 17TH  Denver, CO Fillmore
Mon, Sept 19TH San Francisco, CA Warfield
Tues, Sept 20TH Los Angeles, CA Wiltern
Wed, Sept 21ST Pomona, CA Fox Theater
Sat Sept 24TH Scottsdale, AZ Venue of Scottsdale
Mon Sept 26TH Houston, TX House of Blues
Wed, Sept 28TH Austin, TX ACL Live
Thurs, Sept 29TH Dallas, TX House of Blues
Sat, Oct 1ST Clearwater, FL Ruth Eckerd Hall
Sun, Oct 2ND Lake Buena Vista, FL House of Blues
Mon, Oct 3RD  Atlanta, GA Tabernacle
Wed, Oct 5TH  Silver Spring, MD Fillmore Silver Spring
Thurs, Oct 6TH New York, NY Best Buy Theater

What do you think of Disaster?!