On Friday morning, Heidi Klum announced that J.Lo would be absent from Bryant Park "due to a foot injury." The show's resident style guru, Tim Gunn, will fill in for J.Lo as a judge for the finale. The announcement was made in New York at the Project Runway Season Five Finale Fashion show at Mercedes-Benz Fashion Week.

Following in the footsteps of last year's celebrity judge, Victoria Beckham, J.Lo was set to help Heidi, Michael Kors and Nina Garcia pick this year's top designer. On the heels of the announcement, a rep for J.Lo confirmed to Access that while the injury will prevent her from her Runway gig, the star still plans to participate in this weekend's triathlon in Malibu, Calif. The rep went on to say said that the singer was ordered to rest and complete some physical rehab to help with the injury.

J.Lo has been training for the triathlon for two months and remains committed to raising money for the Children's' Hospital of Los Angeles, according to her rep. Adding, that she's resting and continuing with her rehab in order to ensure her participation in the event. "She's determined to get through the race," the rep told Access.