The One Direction star is ''super happy'' that his bandmate is dating the 'Crazy Stupid Love' singer and hopes he can get his son Freddie, 18 months, and Liam's son Bear, four months, together for a playdate soon.
He said: ''I heard little bits of development every now and then from Liam but I didn't know how far it was gonna end up. Obviously I'm super happy for them but at first it was a bit of a shock I suppose. I'm super happy for him and we haven't been able to do it yet logistically but I'm really excited about having Freddie and Bear in the same room. It's gonna be cool.''
And Louis admits he ''wasn't ready'' to be a dad when he found out his ex Briana Jungwirth was pregnant but says fatherhood is the ''most rewarding thing in the world''.
Asked if he felt ready to be a dad when he found out the news during an interview on ITV's Lorraine, he explained: ''No, but who does? In reality what bloke, if you say to them 'Are you ready?' says yes. They might lie and say they are but the only way you're ready is through experience. It's intimidating but it's the most rewarding thing in the world. Freddie is amazing, he's sprinting around everywhere.''
Meanwhile, Louis previously described fatherhood as a blessing.
He shared: ''I wouldn't have made this decision if someone asked me on the day. But thank God that the decision was made for me because it's just a blessing to be this age and to be able to have a child.''
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