WATCH: 19-year-old has miraculous recovery after battling severe scoliosis

Now Playing: Ballroom champ who gave up dancing due to scoliosis dances again after surgery

Now Playing: Fiance of missing mother arrested for murder: Sources

Now Playing: ‘Aquaman’ star Yahya Abdul-Mateen II dishes on the new film

Now Playing: Baltimore Ravens players donate coats to the Warm Coats and Warm Hearts drive

Now Playing: Beyonce album leaked online?

Now Playing: Entertainment Weekly goes behind the scenes at ‘The Bachelor’ mansion

Now Playing: Adorable dogs model ugly sweaters live on ‘GMA’

Now Playing: Military families surprised by having their holiday layaways paid on ‘GMA’

Now Playing: A look back at the biggest obsessions from 2018

Now Playing: Could taking too many selfies give you ‘selfie-wrist?’

Now Playing: Ultimate last-minute Christmas shopping guide

Now Playing: Best apps to download for holiday travel

Now Playing: Top tips for navigating roads for smooth holiday travel

Now Playing: Layaway angels continue to pay it forward with purchases

Now Playing: Miss America organization faces hostile takeover attempt

Now Playing: Police reward children who helped catch home intruder

Now Playing: ‘Super Saturday’ brings last-minute deals for Christmas

Now Playing: Drones cause 2-day shutdown at London’s Gatwick Airport

Now Playing: House bill to fund border wall faces Senate ahead of shutdown deadline

Now Playing: Fallout grows over Mattis resignation