Harry Styles hangs around shirtless while lounging by his hotel balcony pool with friends on Wednesday afternoon (May 22) in Barcelona, Spain.

The 19-year-old One Direction member showed off his growing collection of tattoos.

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“Thank you Barcelona for having us.. You were lovely. Hope to see you again soon .xx,” he later tweeted.

The day before, Harry was spotted holding an adorable baby girl while relaxing with some pals on the balcony.

10+ pics inside of Harry Styles walking around shirtless… More Here! »

Harry Styles holds an adorable baby girl while relaxing with friends on the balcony of his hotel on Tuesday (May 21) in Barcelona, Spain.

The 19-year-old One Direction member was seen playing with his hair after taking off his hat.

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That same day, the cover of 1D‘s upcoming book Where We Are: Our Band, Our Story was released!

Where We Are: Our Band, Our Story will go on sale August 27th. We can’t wait to get a copy!

10+ pics inside of Harry Styles on vacation in Spain… More Here! »

Zayn Malik holds hands with girlfriend singer Perrie Edwards while heading out of their hotel in Milan, Italy, on Sunday afternoon (May 19).

The One Direction/Little Mix couple were followed by band mates Harry Styles, Liam Payne, Louis Tomlinson and Niall Horan.

“Holy shit! That was incredible ! Like cant even describe that feeling! Amphitheatre was unbelievable! Verona thank you xx” Niall tweeted after their Verona concert.

Earlier in the day, the guys were seen on top of Arena di Verona and making the crowds of fans go wild.

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Harry Styles keeps it casual while heading into a building on Wednesday afternoon (May 15) in East London, England.

The 18-year-old One Direction singer was joined by his group mate Liam Payne who brought along a gal pal.

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In case you missed the good news, One Direction just announced their 2014 Where We Are stadium world tour!

“We can’t wait to get to Argentina and really hope the weather is warm,” Liam said during a press conference for the tour announcement. “It’s mad that the people in the places like Chile know us and it’s great to go there.”

10+ pictures inside of Harry Styles and Liam Payne… More Here! »

It’s official – One Direction has announced the 2014 Where We Are tour!

The guys – Liam Payne, Harry Styles, Niall Horan, Zayn Malik, and Louis Tomlinson – will start their first stadium world tour on April 25, 2014 in Latin America, before making their way back to Ireland and the United Kingdom.

“Don’t worry if you don’t see your country – more dates will be added very soon! Keep checking this site for more information!” the guys wrote on their official site.

Check out the full list of dates and countries for One Direction‘s 2014 Where We Are stadium tour inside… More Here! »

Check out this video of One Direction performing Celine Dion‘s “My Heart Will Go On” during their concert on Saturday night (May 11) in Berlin, Germany!

The five guys – Liam Payne, Louis Tomlinson, Zayn Malik, Niall Horan, and Harry Styles – performed the Titanic theme song after a fan requested it during a live Twitter Q&A.

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1D only have nine dates left on their European tour and will hit countries like Italy, Denmark, Switzerland, and Portugal before they are finished!

Watch One Direction perform “My Heart Will Go On” below!

Harry Styles shows off his arm tattoos while leaving his hotel on Friday morning (May 3) in Amsterdam, Netherlands.

The 19-year-old singer was joined by his One Direction group mate Niall Horan to greet the large group of waiting fans!

PHOTOS: Check out the latest pics of Harry Styles

Niall even turned his camera on the fans and shot a few pictures of them before getting onto his bus.

“Sorry I didn’t stay long outside hotel! This hopping around business is not fun hahaha! Love you all,” he later tweeted.