Britney Spears shows her bra in skimpy top... as her Vegas show 'brings in $20m for Planet Hollywood'

Britney Spears has inked a $12m deal to extend her Vegas residency through 2017.

And the signing appears to be a win-win situation for all parties, after the singer's Britney: Piece Of Me helped Planet Hollywood to a whopping $20 million in earnings.

Britney seemed delighted at the news as she was seen leaving a nail salon in Los Angeles on Wednesday.

Money maker: Britney Spears' Vegas residency at Planet Hollywood upped the hotel's earnings by 'about $20 million' according to Billboard

A reason to smile: Britney was all smiles as she was seen leaving a nail salon in Los Angeles on Wednesday

Dressed in a sleeveless printed top with 'Surf All Day Dance All Night' emblazoned on the front and orange cardigan, the blonde beauty looked to be in good spirits after it was announced she was a large contributer to her residency host's recent success.

Grinning broadly, the blonde revealked a peek at her lacy blue bra in her little top. 

Britney, who had a show scheduled later that evening, shared an Instagram post wearing the same statement T-shirt with the caption, 'See you in Vegas!'

Since the 32-year-old entertainer kicked off her Sin City concert series in late December 2013, she has helped boost the hotel's annual earnings in comparison to the year before she became a headlining performer.

That same day: The blonde beauty looked to be in good spirits dressed in a sleeveless printed top with 'Surf All Day Dance All Night' emblazoned on the front and orange cardigan

Pre-show ritual? Britney had a show scheduled later that evening in Vegas

In a report from Billboard, Britney has upped Planet Hollywood's earnings by 'about $20 million' according to their sources close to financial insiders at the Las Vegas Sun.

'Wall Street gaming experts say the pop princess has revitalized the property and helped turn its one-time dismal financial picture into a real profit center,' explained the publication's aid.

The newly single star started her Vegas residency on December 27 as the first of 50 sold out scheduled shows.

Successful residency: The 32-year-old singer's Britney: Piece Of Me show is one of the main reasons Planet 

Hollywood is reaping 'about $20 million' in earnings

Recently she announced on Good Morning Britain that she has signed a deal to continue on with the show for another two years.

The addition of more than 30 dates will reportedly have Britney earning close to $30m over the 24 month period.

She told host Richard Arnold: 'I'm very excited! Being based in Vegas and having one show that you just keep going back to and the consistency of that is really grounding and really cool.'

Looking back at her days of traditional touring, she wondered how she managed the hectic schedule. 'How did I even do it? Going to a different city every day.'