Louis Tomlinson waves to fans as he and his One Direction band mates arrive for their concert at the Scottish Exhibition and Conference Centre on Tuesday (February 26) in Glasgow, Scotland.

Louis, 19, and the rest of the guys – Harry Styles, Liam Payne, Niall Horan, and Zayn Malik – were recently praised by their boss Simon Cowell.

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“They are the most grounded artists I’ve ever worked with,” he told Heat magazine. “They’re really nice boys, so there are no tantrums. It’s my job to make sure they are happy.”

A few days earlier, One Direction kicked off their “Take Me Home” tour at the O2 Arena in London, England.

• Check out Louis Tomlinson‘s coffee tattoo – Teen.com
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• Prince Michael Jackson will guest star on 90210 – Celebuzz
• Check out the new Cloudy with a Chance of Meatballs 2 poster! – Collider
• Justin Bieber gets another tattoo – Celebuzz

One Direction take the stage for a performance at the O2 Arena on Saturday night (February 23) in London, England.

The five guys – Harry Styles, Liam Payne, Louis Tomlinson, Niall Horan, and Zayn Malik – proudly kicked off their “Take Me Home” tour in their hometown!

PHOTOS: Check out the latest pics of One Direction

“London you were incredible tonight.. Great start to the tour. Thank you so much for coming to see us. Love you all xx,” Harry tweeted shortly after the show.

50+ pictures inside from One Direction‘s performance… More Here! »

Harry Styles and Niall Horan head home after attending The BRIT Awards 2013 Sony After Party on Wednesday night (February 20) held at The Arts Club in London, England.

Harry, Niall, and the rest of the One Direction guys — Liam Payne, Louis Tomlinson, and Zayn Malik — were joined by other celebrities, including Demi Lovato and Little Mix.

PHOTOS: Check out the latest pics of One Direction

1D just released their brand new music video for their charity single “One Way or Another.”

40+ pictures inside of the One Direction guys at the Sony BRITS after party… More Here! »

One Direction hits the stage at the 2013 BRIT Awards held at O2 Arena in London, England on Wednesday night (February 20).

The guys — Liam Payne, Louis Tomlinson, Zayn Malik, Niall Horan, and Harry Styles — performed their new single “One Way or Another”!

One Direction also picked up the Global Success Award! Congrats!

“Thank you SO much #BRITs2013 & all the amazing fans! So proud of the boys! 1DHQ x” the band tweeted in thanks.

Check out their performance below! 15+ pics inside…

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One Direction suits up for the 2013 BRIT Awards held at O2 Arena in London, England on Wednesday night (February 20).

The guys — Liam Payne, Louis Tomlinson, Zayn Malik, Niall Horan, and Harry Styles — are up for Best British Group at the show tonight.

PHOTOS: Check out the latest pics of One Direction

They’ll also be performing “One Way Or Another”!

“Who’s excited to see the boys perform #OneWayOrAnother at the @BRITAwards tonight?! WE ARE! Tune in at 8pm, ITV1! 1DHQ x #1DBRITS” the band tweeted ahead of the show.

10+ pics inside… More Here! »

Louis Tomlinson and Eleanor Calder sit front row at the Topshop Unique Autumn/ Winter 2013 Runway Show held at the Topshop Show Space on Sunday (February 17) in London, England.

The 21-year-old One Direction crooner and his longtime girlfriend were seated next to actress Kate Bosworth who snapped pictures of the runway during the show.

Louis and the rest of 1D – including Niall Horan, Zayn Malik, Liam Payne, and Harry Styles – have been busy rehearsing and recording in the studio this month.

25+ pictures inside of Louis Tomlinson and Eleanor Calder… More Here! »