Pregnant Christina Aguilera perches a mug on her burgeoning baby belly as she launches Pass The Red Cup charity campaign

By Heather Waugh

Published: 18:02 EST, 6 August 2014 | Updated: 03:44 EST, 7 August 2014

She is due give birth to baby girl any day now.

And Christina Aguilera looked fit to pop as she posed for promotional photos for her World Hunger Relief campaign - Pass The Red Cup - on Tuesday.

The 33-year-old, who already has a six-year-old son Max, used her burgeoning tummy as a handy prop as she encouraged her social media followers to donate $5 to the good cause.

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Blooming: Christina Aguilera looked ready to pop as she posed for photos for her #PassTheRedCup world hunger relief campaign

Blooming: Christina Aguilera looked ready to pop as she posed for photos for her #PassTheRedCup world hunger relief campaign

The star looks ultra glam in the shots with her platinum blonde locks tumbling in soft curls. She wears thick eyeliner and a hint of smokey eyeshadow along with cherry red glossy lips.

Her expanding belly is draped in a white empire line dress and she dons a cute cropped denim jacket and pendant necklace.

In a blog post on Huffington Post, the singer talked about how passionate she is about the Yum! Brands World Hunger Relief effort.

 
Beauty: The 33-year-old looked glowing as she left a message on a red cup and encouraged her fans to donate to the good cause

Beauty: The 33-year-old looked glowing as she left a message on a red cup and encouraged her fans to donate to the good cause

She said: 'It's heartbreaking to me that in our social media driven, increasingly-connected world, nearly 850 million people go to bed hungry each night,' and added: 'And this includes far too many children. It's a subject so close to my heart and has been for a long time, being a mom.'

Last week the pop star revealed a naked photoshoot for V Magazine. In the black and white images she reveals her bump in all it's glory and also poses for an intimate photo with fiance Matt.

In one image the Beautiful singer stands against a white background making the sole focus of the photograph her heavily pregnant body.

Intimate: Last week Christina revealed a stunning pregnancy photoshoot with fiance Matt Rutler featuring in V magazine

Intimate: Last week Christina revealed a stunning pregnancy photoshoot with fiance Matt Rutler featuring in V magazine

Wow factor: The naked shoot is the second one for Christina as she posed while pregnant with son Max in 2008

Wow factor: The naked shoot is the second one for Christina as she posed while pregnant with son Max in 2008

Christina and Matt met in 2010 on the set of her film Burlesque - he was a production assistant - and while many thought the relationship was a fling, their love is evident in the intimate shot.

Christina's first son Max - who was fathered by ex-husband Jordan Bratman - also got to share in the special memories.

It's not the first time The Voice judge has been part of the celebrity naked and pregnant club. In 2008, Christina also stripped down for Marie Claire while pregnant with Max.

The Voice USA mentor announced in February she'd be welcoming her first child with Matt, just one week after he proposed in the backyard of their new home in Los Angeles on Valentine's Day.

Expanding family: Christina pictured with Matt and son Max in 2011

Expanding family: Christina pictured with Matt and son Max in 2011





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