The former bandmates couldn't help but share their meeting on Instagram.
The star-studded show will benefit the victims and families of those affected by the horrific bomb attack at her May 22 concert.
The 23-year-old isn't afraid to show off his dancing skills.
Bieber has some pointers for the One Direction star's solo endeavor...
The sign of the times is that we are entering Harry Styles' time.
Although neither Horan nor Malik attended, the award for 'Favorite Breakout Artist' went to the 'This Town' singer.
The former 1D bandmates weren't the only awkward pairing at the awards show.
The 'This Town' singer also opened up to ET about seeing his former One Direction bandmate for the first time in months at the 2016 American Music Awards.
The former 1D star gave an emotional performance of 'This Town' at the American Music Awards on Sunday.
The 'This Town' singer also gives ET an update on his solo career.
The 'My Town' singer opens up to ET about seeing his former One Direction bandmate for the first time in months at the 2016 American Music Awards.
He was also asked which One Directioner was his least favorite!
The One Direction heartthrob put fans in a frenzy while making his first U.S. appearance as a solo artist.
The One Direction singer makes his first appearance as a solo artist on Wednesday's 'The Ellen DeGeneres Show.'
