Liam Payne Jokes Son Bear Is ‘Humongous’: ‘I’m Going to Get a Sore Back!’

Liam Payne’s son is growing in one direction — up!
“He’s just big in general — he’s humongous,” Payne told PEOPLE on Tuesday about his 4-month-old son Bear Grey at the Musical.ly headquarters, where he launched the hashtag campaign for his new song “Strip That Down” for the entertainment social media platform.
“I’m going to get a sore back. He’s a big boy! He’s healthy, he’s strong, he likes his bouncer.&rdq