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They had been married for 13 years.

If you're as obsessed with Fifth Harmony's new single 'Sledgehammer' as we are, then you're in for a huge treat. The band stopped by 'Good Morning America' to perform the track and, as expected, it was stellar.

On the upcoming National Geographic Channel show "How Hard Can It Be," which will premier this fall, a bunch of crazy dreamers recreate the scene in the animated Disney movie "Up" in which helium-filled party balloons lift a house high in the air. The folks at "Good Morning America" got a sneak peak of how this was done. Read on to check it out.