Now Playing: Jacqueline Kennedy's White House Tour

Now Playing: Jan. 30, 1961: JFK's Full State of the Union

Now Playing: Alicia Keys announces she's hosting 61st Annual Grammy Awards

Now Playing: American killed in terror attack in Kenya: Officials

Now Playing: 'West Side Story' remake: Latinx teen Rachel Zegler to play Maria

Now Playing: Meghan Markle holds dogs at animal charity visit

Now Playing: Don Cheadle from 'Avengers: End Game' reveals 'BIG' news about the new Marvel movie

Now Playing: Ginger Zee hits the dance floor with her 'DWTS' friends

Now Playing: This dad who built an epic igloo for his kids with disabilities is winning hearts

Now Playing: UK PM May survives crucial no-confidence vote amid Brexit uncertainty

Now Playing: Sara reacts to Gillette's new 'toxic masculinity' ad

Now Playing: Is it OK to lie on your dating profile?

Now Playing: Michael and Sara discuss Anna Faris' classy text to ex Chris Pratt

Now Playing: Meet the extraordinary woman who donated her kidney to her ex-husband

Now Playing: Carla Hall shows Michael and Sara the proper way to cut onions

Now Playing: 'GMA' Hot List: Giant circle of ice forms in the middle of a Maine town's river

Now Playing: New documentary goes behind the scenes of Fyre festival

Now Playing: You can now get pizzas out of an ATM machine

Now Playing: My Wellness Routine: 1st person to cross Antarctica solo does these 5 things daily

Now Playing: Economists issue new warning amid shutdown