Amber Rose reveals she is pregnant at the VMAs

"I'm going to the best dad and the best performer and  the best husband that I can be," Wiz Khalifa says

PHOTOS: 2012 MTV Video Music  Awards

(UPI) - Amber Rose announced Thursday she is pregnant with her first  child.

Rose, 28, is engaged to rapper Wiz  Khalifa, 24.

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"We do know the sex, but we're [keeping it private] for now," Rose told  People.com at the MTV Video Music Awards show in Los Angeles. "We just found out  two days ago, so we're super excited."

"I'm superman!" Khalifa told the celebrity news Web site. "I'm going to the  best dad and the best performer and the best husband that I can be."

The couple did not reveal the baby's anticipated due date.