Christina Aguilera was swarmed by fans following her highly-anticipated performance at Always Live festival in Melbourne on Saturday night. 

The American singer, who last performed in Australia 15 years ago, was mobbed by excited crowds as she arrived at her official afterparty at The Espy in St Kilda at around midnight.

The 42-year-old kept her cool as she waded through the frenzied crowd, accompanied by security guards and and assistants shielding her from the rain with umbrellas.

Looking every inch the pop diva, Christina sported a black-and-white shirt layered beneath a leather jacket, black mini skirt and fishnet tights.

She completed her look with leather thigh-high boots, an array of chunky silver chains and a pair of futuristic sunglasses.

Christina Aguilera sparks fan frenzy arriving at Melbourne afterparty

Christina Aguilera was swarmed by fans following her highly-anticipated performance at Always Live festival in Melbourne on Saturday night
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Christina Aguilera was swarmed by fans following her highly-anticipated performance at Always Live festival in Melbourne on Saturday night

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Her iconic blonde hair was pulled up into a high ponytail, while her long pointed nails were painted cherry red.

The afterparty lasted until 3 in the morning.

Hours earlier, Christina took to the stage at Flemington Racecourse to perform to a 20,000-strong concert at Always Live.

The American singer, who last performed in Australia 15 years ago, was mobbed by excited crowds as she arrived at her official afterparty at The Espy in St Kilda at around midnight
+12
View gallery

The American singer, who last performed in Australia 15 years ago, was mobbed by excited crowds as she arrived at her official afterparty at The Espy in St Kilda at around midnight

The 42-year-old kept her cool as she waded through the frenzied crowd, accompanied by security guards and and assistants shielding her from the rain with umbrellas
+12
View gallery

The 42-year-old kept her cool as she waded through the frenzied crowd, accompanied by security guards and and assistants shielding her from the rain with umbrellas

Looking every inch the pop diva, Christina sported a black-and-white shirt layered beneath a leather jacket, black mini skirt and fishnet tights
+12
View gallery

Looking every inch the pop diva, Christina sported a black-and-white shirt layered beneath a leather jacket, black mini skirt and fishnet tights

Despite the pouring rain, the Fighter singer dazzled with her beloved bangers Dirrty, Can’t Hold Us Down, and Genie In A Bottle.

‘My heart goes out to you for sticking it out in the pouring rain,’ Aguilera told the crowd, who couldn’t get enough of her.

During her performance, the singer admitted she was pregnant the last time she performed in Melbourne 15 years ago.

She completed her look with leather thigh-high boots, an array of chunky silver chains and a pair of futuristic sunglasses
+12
View gallery

She completed her look with leather thigh-high boots, an array of chunky silver chains and a pair of futuristic sunglasses

Her iconic blonde hair was pulled up into a high ponytail, while her long pointed nails were painted cherry red
+12
View gallery

Her iconic blonde hair was pulled up into a high ponytail, while her long pointed nails were painted cherry red

The afterparty lasted until 3 in the morning
+12
View gallery

The afterparty lasted until 3 in the morning

Always Live is the Victorian Government’s 17-day ‘statewide celebration of contemporary live music’.

From November 24 to December 10, more than 165 artists will rock out at over 60 sizzling events across Melbourne and beyond.

The 17-day live music program takes place across Victoria, will include performances by UK singer Jessie Ware, and A.B. Original.

Melbourne-based rock band Amyl and the Sniffers, UK-Indian musician Jai Paul and Peter Garrett are among the 60+ events scheduled to take place.

Hours earlier, Christina took to the stage at Flemington Racecourse to perform to a 20,000-strong concert at Always Live
+12
View gallery

Hours earlier, Christina took to the stage at Flemington Racecourse to perform to a 20,000-strong concert at Always Live

Despite the pouring rain, the Fighter singer dazzled with her beloved bangers Dirrty, Can't Hold Us Down, and Genie In A Bottle
+12
View gallery

Despite the pouring rain, the Fighter singer dazzled with her beloved bangers Dirrty, Can’t Hold Us Down, and Genie In A Bottle

Always Live is the Victorian Government's 17-day 'statewide celebration of contemporary live music'
+12
View gallery

Always Live is the Victorian Government’s 17-day ‘statewide celebration of contemporary live music’