They have spent the last few months touring the world together performing their duet Back To You.
And Louis Tomlinson and singer Bebe Rexha certainly looked like they had a close bond as they partied in Vegas together on Saturday night.
The former One Direction star looked in high spirits as he affectionately cuddled his curvy collaborator after clubbing in Sin City.
Close: Louis Tomlinson and singer Bebe Rexha certainly looked like they had a close bond as they partied in Vegas together on Saturday night
The star – who is dating Eleanor Calder – looked in high spirits and joked with Bebe as they left the venue with a group of pals.
Blonde bombshell Bebe was dressed to kill in a figure-flaunting pink mini-dress which she wore with sky-high heels.
The pair looked on fine form as they animatedly chatted with fellow revellers.
Earlier in the evening Louis had performed during day two of the iHeartRadio festival in the city alongside Bebe, with Harry Styles having taken to the stage the day before.
Party duo: The star – who is dating Eleanor Calder – looked in high spirits and joked with Bebe as they left the venue with a group of pals
For his performance, Louis stepped out in a pair of light blue jeans and a white hooded sweater, printed with the words ‘THANK YOU’ in red text and written upside down.
Bebe took to the stage in gold lame pants and a matching boob tube and after leaving the stage, hit Instagram to gush about her close pal.
Sharing a picture of them hugging during the gig, she simply wrote: ‘Good soul’.
The 28-year-old In The Name Of Love singer also wore detachable gold sleeves and a gold belt with the word ‘LOVE’ across it.
‘Good soul’: Sharing a picture of them hugging during the gig, she simply wrote: ‘Good soul’
Pals: Speaking to Billboard ahead of their performance at the iHeart Radio Music Festival, Bebe revealed that not only was she happy to collaborate on a the song with him but also formed a strong friendship through the process
Humble: She shared: ‘I think with Louis, we’re artists so we’re all messed up and a little weird and we’re all insecure. The thing with him is that he’s so honest and humble’
Friendship: She added: ‘From the second I met him, he was kind to me and my team and I thought that was really dope. He’s cool, I don’t feel nervous around him’
Speaking to Billboard ahead of their performance at the iHeart Radio Music Festival, Bebe revealed that not only was she happy to collaborate on a the song with him but also formed a strong friendship through the process.
She shared: ‘I think with Louis, we’re artists so we’re all messed up and a little weird and we’re all insecure. The thing with him is that he’s so honest and humble.
‘From the second I met him, he was kind to me and my team and I thought that was really dope. He’s cool, I don’t feel nervous around him.
‘He’s a friend now, and I love that, it’s cool to work with a friend.’
Famous friends: Bebe continued: ‘He’s a friend now, and I love that, it’s cool to work with a friend’
‘Obsessed’: Discussing about the process of working together, the blonde bombshell revealed that he sent her the track and she was instantly ‘obsessed’
Having fun: ‘He sent me the song, and I was like “Oh we’ll see” then I heard it and I was obsessed,’ she began. ‘Then we shot the video together, then we obviously done a lot of TV stuff and we did a rehearsal today. It’s just fun’
Discussing about the process of working together, the blonde bombshell revealed that he sent her the track and she was instantly ‘obsessed’.
‘He sent me the song, and I was like “Oh we’ll see” then I heard it and I was obsessed,’ she began. ‘Then we shot the video together, then we obviously done a lot of TV stuff and we did a rehearsal today. It’s just fun.’
And while their chemistry on stage is electric, Bebe added that she see’s the hitmaker like a brother.
She continued’: ‘We’re like brother sister chemistry. He’s like “you piece of s***” and I’m like “You piece of shit. Don’t f***ing call me a piece of s***”.’