August 21, 2009 07:05:35 GMT
Fans sing "Happy Birthday" for Demi, who turned 17 years old on Thursday, August 20, during her concert in Fairfax, Virginia.
Demi Lovato gets more birthday wishes in addition to those uttered by her celebrity friends, Meaghan Jette Martin, Brandon Smith, and Samantha Droke. On Thursday, August 20, during her concert in Fairfax, Virginia, the birthday girl got birthday surprises from her sisters, Dallas and Madison, and also Jonas Brothers.
Kevin Jonas, Joe Jonas, and Nick Jonas taped a video for Demi's 17th birthday and showed it during the concert. Concertgoers screamed in disbelief upon watching the clip. Soon thereafter, Dallas and Madison, appeared on stage, pushing a cart with a birthday cake on it.
Fans could be heard singing "Happy Birthday" as Demi gave her two sisters a hug. The Disney star, who was all smile, then thanked them both and fans for their birthday wishes.
Demi Lovato turned 17 years old on Thursday. She is currently touring with the runner-up of "American Idol" season 7 David Archuleta.