The post-break-up habit even celebrities fall into

You've heard it a hundred times: "The best way to get over someone is to get under someone else" – but how true is it really? 

Relationship expert Susie Kim defines a rebound as "a relationship that begins very soon after a break-up from a serious relationship. "

She says that for celebrities , a rebound signals to the press and society that they've moved on from a public relationship that ended.

"I think especially in the celebrity world, it's a bit of an illusion of reclaiming power or showing that, you know, you've moved on, you're doing well," she says.

"There's kind of this sense of like competition, I suppose... I don't think that's the healthiest motivation, but I can see why it happens.

"It's sort of similar to like the breakup glow-up, where people are li