"What's better than three?" the singer says in the clip.
The two musicians famously had a brief romance in 2009.
The K-pop star is Fendi's newest brand ambassador.
Check out this week's best in family entertainment.
The pop star reunited with her 18-year-old son after years apart on Christmas Day.
See the stylish winter outfit Swift wore in New York on Saturday night (Dec. 28).
The lovebirds look comfortable and cozy sharing a holiday season smooch.
The two couples seemingly met up for dinner at BondST, where they were photographed Friday night (Dec. 27).
One Instagram post is all it takes.
Sheawna Weathersby showed off the presents she and boyfriend Chris Jones received from the duo.
