Check out Fifth Harmony performing an acoustic version of One Direction‘s “They Don’t Know About Us”!

The girls — Ally Brooke, 19, Camila Cabello, 15, Normani Hamilton, 16, Dinah Hansen, 15, and Lauren Jauregui, 16 — performed the song at the BOP & Tiger Beat office!

PHOTOS: Check out the latest pics of Fifth Harmony

Fifth Harmony are currently gearing up to release their first single in “the next couple of months.”

In case you missed it, check out what the girls had to say about their upcoming new music and what post-X-Factor life is like!

Niall Horan poses with a lucky fan after arriving at Heathrow International Airport on Friday morning (March 29) in London, England.

The 19-year-old One Direction singer was greeted by a large group of fans upon his arrival and made sure to take a few pictures before heading home.

PHOTOS: Check out the latest pics of Niall Horan

Earlier this week, Niall served as his brother Greg‘s best man at his wedding in Castletown Geoghegan County Westmeath, Ireland.

In case you missed it, the title of 1D‘s book has been announced – find out what it is!

Zayn Malik has added a skull tattoo to his growing collection of ink!

The 20-year-old One Direction member chose to have it done on his left shoulder.

PHOTOS: Check out the latest pics of Zayn Malik

“Photo: Just tattooed a snazzy little skull on my homeboy @zaynmalik thanks dude! See you soon! #onedirection…” his artist Bob Done tweeted, along with a photo of the tat.

Zayn‘s band mate Louis Tomlinson also revealed new tattoos on both his chest and ankles recently.

WHAT DO YOU THINK of Zayn’s new ink?

Bigger pic inside… More Here! »

It’s official: One Direction‘s upcoming book will be titled “Where We Are: Our Band Our Story”!

The guys – Harry Styles, Liam Payne, Zayn Malik, Niall Horan, and Louis Tomlinson – teased fans all day as they guessed what the book would be called via social media.

PHOTOS: Check out the latest pics of One Direction

“Some good guesses guys.. BUT it’s time for the official announcement.. The 1D book = ‘Where We Are: Our Band Our Story’! 1DHQ x #1DBKREVEAL,” the guys tweeted.

TELL JJJ: Will you be buying 1D’s book?

Niall Horan follows older brother Greg outside of a church just before Greg‘s wedding in Castletown Geoghegan County Westmeath, Ireland on Wednesday afternoon (March 27).

The 19-year-old One Direction singer served as Greg‘s best man as he married Denise Kelly.

“He’s my only brother – there was never any other choice for my best man than Niall,” Greg recently told The Irish Sun.

Congrats to Greg and Denise!

In case you missed it, check out the new, alternate version to 1D‘s newest video, “Kiss You” below!

More Here! »

Louis Tomlinson has recently added new ink on his chest and ankles!

The 19-year-old One Direction member’s girlfriend Eleanor Calder showed off the new tats on her Instagram account.

PHOTOS: Check out the latest pics of Louis Tomlinson

“it’s the name of the band I was in before One Direction,” he tweeted of his ankle script, which says “The Rogue.”

Earlier in the month, Louis and his band mates – Harry Styles, Niall Horan, Zayn Malik, and Liam Payne – sat to get measured for their upcoming Madame Tussauds wax figures.

One Direction just revealed the title of their upcoming movie — This Is Us!

The band revealed clues and letters via Twitter for their fans to unscramble.

“BIG NEWS! #1D3DMovie has been given a title! We want our fans to be the first to know,” they wrote.

1D continued, “But we don’t want to just tell you the title. Where’s the fun in that? Let’s play a game =) There are 8 letters and 3 words. The letters are hidden and YOU need to find them ;) Ready to go?”

One Direction: This Is Us will hit theaters on August 30th!

WHAT DO YOU THINK of the movie’s title?