Jesy Nelson joins boyfriend Sean Sagar on a night out with pals

They went Instagram official with their relationship on Friday as they declared their love for each other with a romantic snap.

And Jesy Nelson enjoyed a night out with her boyfriend Sean Sagar and a group of friends in London on Saturday.

The Little Mix singer, 29, nailed casual chic on the outing as she donned a black crop top with a plunging neckline that also showed off her toned midriff.

Out and about: Jesy Nelson, 29, enjoyed a night out with her boyfriend Sean Sagar, 30, and a group of friends in London on Saturday

Jesy also wore a pair of blue jeans with ripped knees while she added height to her frame with a pair of black heels.

The star styled her blonde locks into voluminous curls for the evening as she cut loose with her pals.

Sean also opted for a casual look, wearing a bright red T-shirt with black jeans and a matching leather jacket.   

It comes after Jesy professed her love for Sean after going Instagram official with the actor.

Outfit: The Little Mix singer nailed casual chic on the outing as she donned a black crop top with a plunging neckline that also showed off her toned midriff

Outfit: The Little Mix singer nailed casual chic on the outing as she donned a black crop top with a plunging neckline that also showed off her toned midriff

Style: Jesy also wore a pair of blue jeans with ripped knees while she added height to her frame with a pair of black heels

Style: Jesy also wore a pair of blue jeans with ripped knees while she added height to her frame with a pair of black heels

Style: Jesy also wore a pair of blue jeans with ripped knees while she added height to her frame with a pair of black heels

Looking good: The star styled her blonde locks into voluminous curls for the evening as she cut loose with her pals

Looking good: The star styled her blonde locks into voluminous curls for the evening as she cut loose with her pals

The singer posted her first pic with Sean on Friday and as he did the same on Monday she shared a gushing post declaring her love for him.

The timing of the declaration was slightly awkward, however, as on the same evening Jesy was seen talking about her desire to have children with ex Chris Hughes in his new BBC documentary.

Undeterred by the timing, Sean shared an adorable Instagram snap planting a kiss on Jesy’s cheek as she sat on his lap and smiled for the camera.

The smitten actor captioned the shot, ‘The reason for my happiness ❤️’, as Jesy commented, ‘My baby I love you so much’. 

Laid back: Sean also opted for a casual look, wearing a bright red T-shirt with black jeans and a matching leather jacket

Laid back: Sean also opted for a casual look, wearing a bright red T-shirt with black jeans and a matching leather jacket

Laid back: Sean also opted for a casual look, wearing a bright red T-shirt with black jeans and a matching leather jacket

Romance: It comes after Jesy professed her love for Sean after going Instagram official with the actor

Romance: It comes after Jesy professed her love for Sean after going Instagram official with the actor

Post: The singer posted her first pic with Sean on Friday and as he did the same on Monday she shared a gushing post declaring her love for him

Post: The singer posted her first pic with Sean on Friday and as he did the same on Monday she shared a gushing post declaring her love for him

Post: The singer posted her first pic with Sean on Friday and as he did the same on Monday she shared a gushing post declaring her love for him

Ex: The timing of the declaration was slightly awkward, however, as on the same evening Jesy was seen talking about her desire to have children with ex Chris Hughes in his new BBC documentary

Ex: The timing of the declaration was slightly awkward, however, as on the same evening Jesy was seen talking about her desire to have children with ex Chris Hughes in his new BBC documentary

New couple Jesy and Sean finally confirmed their relationship last month during a beach date in Brighton after weeks of claiming they were ‘just friends’.

Jesy began dating Sean shortly after her split from Chris, she broke off their relationship over the phone in April following a 16 month romance.

Earlier this month, it was alleged that her hunky new beau is on celebrity dating app Raya.

In a screenshot of his profile obtained by The Sun, Sean’s cover image is a shirtless snap and lists his profession as acting and his location as London.

Loved-up: Undeterred by the timing, Sean shared an adorable Instagram snap planting a kiss on Jesy's cheek as she sat on his lap and smiled for the camera

Loved-up: Undeterred by the timing, Sean shared an adorable Instagram snap planting a kiss on Jesy's cheek as she sat on his lap and smiled for the camera

Loved-up: Undeterred by the timing, Sean shared an adorable Instagram snap planting a kiss on Jesy’s cheek as she sat on his lap and smiled for the camera

Sweet: The smitten actor captioned the shot, 'The reason for my happiness ❤️', as Jesy commented, 'My baby I love you so much'

Sweet: The smitten actor captioned the shot, ‘The reason for my happiness ❤️’, as Jesy commented, ‘My baby I love you so much’

'Just friends': New couple Jesy and Sean finally confirmed their relationship last month during a beach date in Brighton after weeks of claiming they were 'just friends'

'Just friends': New couple Jesy and Sean finally confirmed their relationship last month during a beach date in Brighton after weeks of claiming they were 'just friends'

‘Just friends’: New couple Jesy and Sean finally confirmed their relationship last month during a beach date in Brighton after weeks of claiming they were ‘just friends’

It is unclear whether Sean’s dating app profile is an active profile or an old one from before he started dating the singer.

Raya is a private members-only app where users must be invited and have to link their account to their Instagram page.

Although the service was originally just for dating, features now promote professional networking for those in the entertainment industry.

A representative for Jesy declined to comment. MailOnline also reached out to Sean’s representative.

Split: Jesy began dating Sean shortly after her split from Chris, she broke off their relationship over the phone in April following a 16 month romance

Split: Jesy began dating Sean shortly after her split from Chris, she broke off their relationship over the phone in April following a 16 month romance