Spears wore a long-sleeve green dress that was covered in numerous sequins during the event.

The Toxic singer’s outfit also showed off her toned tummy and conformed tightly to her curvy hips.

Britney Spears put on a very raunchy display in a now-deleted video that was shared on her Instagram account on Saturday

In the clip, the 42-year-old singer danced with her manager and close friend, Cade Hudson, who remained shirtless during her pre-birthday party, which took place on Friday night

The lower portion of the performer’s dress showed off her toned legs, and she added a bit of brightness to her look with bright white boots.

The Grammy Award-winning singer also wore a pair of aviator-style sunglasses with rhinestone-covered frames, and her beautiful blonde hair cascaded onto her back and paired well with the light tone of her outfit.

Spears later shared a lengthy message on her Instagram account in which she appeared to address her turbulent past, and she wrote that she was ‘the strongest I’ve ever been in my life for the past 8 months.’

TMZ also reported that Spears’ brother Bryan was also in attendance during the pre-birthday blowout.

The hitmaker, her manager and her brother left the party, which took place at Hudson’s home, around two in the morning and raced to a 24-hour veterinary clinic, where they brought one of her dogs for treatment.

They went on to visit a convenience store on the Sunset Strip, during which he went barefoot.

The performer’s dog received treatment for a foot injury and that the pampered pooch was doing well, as per TMZ.

The …Baby One More Time singer added that her four-legged friend was ‘fine’ in her message.

Spears showed off a considerable amount of skin in a video that was shared on her Instagram account just two days before her birthday.

Spears wore a long-sleeve green dress that was covered in numerous sequins during the event

Spears later shared a lengthy message on her Instagram account in which she appeared to address her turbulent past, and she wrote that she was ‘the strongest I’ve ever been in my life for the past 8 months’

The hitmaker’s celebration was also attended by her mother, Lynne, and sources told TMZ that the two were enjoying each other’s company at the event; seen in a throwback snap

Spears showed off a considerable amount of skin in a video that was shared on her Instagram account just two days before her birthday

In the clip, which was set to Madonna’s Ray Of Light, the Gimme More singer donned a form-revealing outfit while performing a set of energetic dance moves for her fans.

The performer opted for a patterned red bikini top while filming her clip, and she suggestively placed her hands on her breasts while performing for her fans.

The singer penned a message in her post’s caption where she admitted that the video was shot several months ago and offered her fans a few specifics about her dancing clips.

The hitmaker claimed to have ‘4 hours of this footage in heels’ and several more of herself dancing barefoot.