Information reaching Kossyderrickent has it that Harry Styles spotted swimming in the pond in Hampstead.
Also wearing a purple cap, the former One Direction star completed his look with a pair of stylish sunglasses.
James also opted for a laid back look in a black T-shirt with beige shorts and a pair of sunglasses.
The meeting with her alleged boyfriend’s pals appeared to go well as the Waves actress was seen sharing a hug with the presenter and wife Julia.
Their cosy outing comes a month after they further fueled relationship speculation as she attended the singer’s Love On Tour concert in Vienna.
The comedian has been friends with Harry since his early days in One Direction and they have previously been on holiday together with Adele.
James previously told how going on nights out with Harry and watching the singer be mobbed by fans made him feel ‘humbled’.
Speaking on The Howard Stern Show, he said: ‘I think it’s good for me.
‘I think anytime you can have a little bit of humbling is great so when someone comes up, I’m like “I get it,” this is arguably the most desirable, famous man on the planet right now.’
James added that he sees his friendship with Harry as ‘very, very good’ and a ‘positive thing’.
Harry and James most recently hung out when the singer introduced the Gavin and Stacey star to his new girlfriend Taylor Russell.
The hitmaker had secretly attended the press night of the actress’ new play The Effect at the National Theatre and the pair were seen looking very close as they celebrated at the post-show party.
The “As It Was” singer, 29, spent Friday boating with a group who included longtime friend James Corden and his wife Julia Carey, his sister Gemma Styles and Victoria’s Secret model Jacquelyn Jablonski.
Styles was seen in photos steering the boat around Lake Bolsena, basking in the sun and finding picturesque spots to stop, chat and enjoy the beautiful Italian summer.
The Fine Line musician swapped his extravagant onstage outfits for simple green swim trunks, which he scrunched up while enjoying the sunny day. He paired the shorts with his signature gold necklaces and chunky black sunglasses with rose-colored lenses.
He also wore a breezy cream-colored button-up shirt, which he later shed to go shirtless, showcasing his toned physique — and impressive tattoo collection — when he wasn’t behind the wheel.