Now Playing: GMA LIVE (12.27.13)

Now Playing: GMA LIVE (12.30.13)

Now Playing: 'Real Live': Dave Chappelle 'gets real'

Now Playing: 'Real Live': Wonder Woman' and future of female superhero movies

Now Playing: 'Real Live': Cher, Celine Dion, and pop stars staying relevant

Now Playing: 'Real Live': 'Wonder Woman'

Now Playing: Ariana Grande announces benefit concert for Manchester victims

Now Playing: Hot Minute With Mark Cuban

Now Playing: 'Price Is Right' contestant goes bonkers after setting Plinko record

Now Playing: Alamo Drafthouse responds to backlash over women-only 'Wonder Woman' screening

Now Playing: Nelly debuts his new song 'Sounds Good to Me' live on 'GMA'

Now Playing: Nelly rocks out Central Park with his hit 'Hot in Herre'

Now Playing: Javier Bardem on the making of 'Pirates of the Caribbean: Dead Men Tell No Tales'

Now Playing: Original 'Wonder Woman' Lynda Carter joins Gal Gadot at movie premiere

Now Playing: 'Pirates of the Caribbean: Dead Men Tell No Tales' stars dish on new film

Now Playing: Catching up with Florida Georgia Line and Nelly live on 'GMA'

Now Playing: Good Housekeeping's top picks for sun protection this summer

Now Playing: Carnegie Hall's Ensemble Connect performs at Paul Hall at Juilliard

Now Playing: 'GMA' lunch break with Chef Scott Conant

Now Playing: Mandisa performs 'I'm Still Here' on 'GMA'