Louis Tomlinson has offered to take the new royal baby under his wing after he was named Prince Arthur Louis Charles.

The 26-year-old pop star is delighted that the Duke and Duchess of Cambridge's third child shares a name with him and he's going to send the tot an Adidas tracksuit, his trademark sportswear, to welcome him to the world.

Louis - who has a two-year-old son called Freddie with Briana Jungwirth - wrote on Twitter: ''Young Louis welcome to the world. I'll take you under my wing lad. The Adidas tracksuit is in the post! [sic]''

Prince Louis became the third child of Prince William and Duchess Catherine - previously known as Kate Middleton - when he was born in London on Monday (23.04.18).

The couple - who also have Prince George, four, and two-year-old Princess Charlotte - announced the name of the Prince on Friday (27.04.18).

A statement released by Kensington Palace read: ''The Duke and Duchess of Cambridge are delighted to announce that they have named their son Louis Arthur Charles. The baby will be known as His Royal Highness Prince Louis of Cambridge.''

Meanwhile, Louis is still waiting to release his eagerly anticipated debut solo album.

The former One Direction singer previously admitted the Arctic Monkeys were one of his key influences during the creative process.

He explained: ''My whole mission with this album is to not write these Hollywood-esque songs that talk about some unfathomable crazy love story, I'm so bored of that.

''Because I'm from up north [in England], I grew up loving the likes of the Arctic Monkeys and Oasis. And the way they tell stories is such an effortless thing. It's real, it's honest and it's to the point, you know?

''Now, any of the Arctic Monkeys would be devastated to hear me talking like this, but there is a way of incorporating that conversational honesty into pop.''