JLo is back in her sexy body

After giving birth to a twins, JLo is back again in her sexy body. Jennifer Lopez shows off her flex appeal Monday while filming a segment for Good Morning America in New York City's Central Park. The new mom talked about training for the Malibu triathlon, which she's doing to benefit the Children's Hospital Los Angeles on Sept. 14. "If I have to crawl across that finish line, I'll crawl across the finish line," she joked.