Now Playing: Sen. Kirsten Gillibrand on Democrat’s focus and Matthew Whitaker’s appointment

Now Playing: Sen. Kirsten Gillibrand says she’s ‘thinking about’ running for president

Now Playing: Sen. Kirsten Gillibrand shares advice for women newly-elected to Congress

Now Playing: Let’s all agree to be as kind as these kindergartners are each day

Now Playing: ‘GMA’ Hot List: Michelle Obama surprises dance class at her former high school

Now Playing: WWII vets reunite decades later at age 95

Now Playing: Here are the winners of Kelley Blue Book’s Best Buy Awards

Now Playing: Find out what your favorite viral video stars are up to in new ‘GMA Day’ series

Now Playing: ‘High School Musical’ alum Ashley Tisdale has new music!

Now Playing: How you can help military families

Now Playing: Ice-T says he’s never eaten a bagel and the internet went wild

Now Playing: Michael Strahan and Sara Haines break down what you need to know this afternoon

Now Playing: Mickey’s Worldwide Birthday Bash: Ginger Zee, Disney superfan visit Disneyland

Now Playing: Sen. Kristen Gillibrand discusses her new book live on ‘GMA’

Now Playing: Michael B. Jordan dishes on ‘Creed II’ live on ‘GMA’

Now Playing: Jamie Foxx gets surprised by Michael B. Jordan at ‘GMA’

Now Playing: What to know about the new cholesterol guidelines for heart health

Now Playing: Michelle Obama surprises a dance class at her former high school

Now Playing: Tell us what you want, what you really, really, want! Spice Girls are back on tour

Now Playing: Celebs use social media to ask for help with California fires