Britney Spears shares racy video in just her underwear as she gushes over silky new Victoria’s Secret bra… one day after celebrating 42nd birthday with mom Lynne Spears

One day after celebrating her 42nd birthday with family and friends, Britney Spears has taken to her Instagram page to share her newfound love for her new push up bra from Victoria’s Secret.

Along with a few complimentary lines in the caption about its comfort and fit, the pop superstar shared a video of herself seductively rolling around in bed dressed only in the hot pink bra and light pink underwear combination.

‘I finally found a bra from Victoria’s Secret that doesn’t hurt !!!’ she declared. ‘I love a push up bra but I don’t like padded push up bra !!! This bra is genius … it pushes you up and there’s no padding !!! Also it’s silk !!! I don’t even feel like I’m wearing anything and it’s a pretty color too !!!

Feeling frisky, she ended the post by declaring, ’40 can suck my d**k !!! I turned 6 this year,’ which she quickly clarified, ‘I feel six most of the time anyways !!!’

Off the top of the clip, Spears can be seen laying on her side just as she began to seductively touch different areas of her body.

While her right hand doing the work with the camera, the Oops!… I Did It Again star started running her other hand around her waistline by tugging at undies, in part, to show off her two tattoos on either hip.

On a couple of occasions her left hand found its way to her ample cleavage and the new silky bra she’s loving so much.

Due to the angle of the selfie camera work, fans can only get a look at her face very briefly during the first half of the clip. But after changing the edit, she has a short clip of her sitting up on her knees, which changes back to her outstretched in the bed.

Towards the end of the video, Spears hold the camera over her face, which also gives an up-close look at her ample assets.

The Circus hitmaker’s sexy exhibition comes one day after ushering in her 42nd birthday.

It appears she spent a big portion of her special day hanging out with her mother, Lynne, and her brother, Bryan.

The pop icon, who had an emergency with her puppy during Friday’s birthday party, was spotted leaving her manager Cade Hudson’s house on Saturday alongside her mom, who reportedly spent the night, according to TMZ.

The mother-daughter duo appeared to be on good terms when they saying their goodbyes to each other, according to photos obtained by the outlet, which is a welcome sight considering they were estranged for years following the singer’s fallout with the family over her 13-year conservatorship.

Other photos show them hugging alongside her brother during the party held at Hudson’s home.

In another viral image shows the Toxic star cuddling up with her mother on a sofa as she lays her head on her shoulder, in another sign the pair have moved into a more positive direction.

The mother and daughter reunion was a ‘really nice moment’ for the Spears clan, according to sources who talked with People.

The Britney and Lynne feud began after the Break The Ice starlet claimed her mother didn’t lift a finger to help free her of the 13-year conservatorship she was placed under in 2008, which was controlled by her father Jamie Spears.

The McComb, Mississippi native, who grew up in Kentwood, Louisiana, most recently feuded with her mother over claims that she threw out her childhood dolls and journals from her former family home.

Insiders claimed Lynne had been selling off her possessions both online and at a local consignment shop in Louisiana in recent years.