Christina Aguilera’s Transformation Gallery: Before & After Photos

Aguilera’s massive hair dominated the Blockbuster Entertainment Awards 2001. She arrived at the event in her cut-out dress and black strappy sandals.

The “Candyman” singer followed the fashion trend and exposed her tiny midriff when she arrived at the MTV European Music Awards Barcelona in her black-and-white cropped shirt and low-waist trousers.

She extended her black hair era at the launch of the MAC Viva Glam campaign in New York.

Before the underwear fashion trend started in Hollywood, Aguilera already rocked the look at The US Weekly Young Hollywood Hot 20 Party in California.

The “Lady Marmalade” songstress donned a black dress and red outerwear in London, England.

Aguilera dominated the Emmy Awards red carpet event in her silk Valentino gown, which featured a black bow.

Aguilera showed off her curves in her bandage dress when she hosted the LAX Nightclub party at the Luxor Hotel Casino in May 2008.

The “Beautiful” singer stunned in her black body-hugging dress at jeweler Stephen Webster‘s collection launch at TAO Nightclub.

During her coaching stint on The Voice, Aguilera joined the show’s press junket while rocking her white blouse, pleated miniskirt and lace-up boots.

The “Can’t Hold Us Down” singer hit the red carpet at the ALMA Awards at Pasadena Civic Auditorium wearing her black lace gown.

As Aguilera continued her weight-loss journey, she surprised everyone at the 2013 NBC Universal Summer TCA Press Tour when she debuted her slimmed-down figure.

Aguilera wowed everyone with her plunging dress at the Hakkasan Nightclub.

Aguilera looked like a hot mama as she showed off her curves in a white top and black pencil skirt at The Voice red carpet event.

The “Your Body” singer arrived at The Emoji Movie premiere wearing a Saint Laurent shirt and sunglasses. She completed her look with black leggings and high heels.

Aguilera stunned in an all-black ensemble at a Stella McCartney presentation at S.I.R. Studios in Los Angeles.

Shining bright in her red and black outfit, Aguilera looked amazing at Planet Hollywood Resort & Casino.

Aguilera attended the Mulan premiere in her Galia Lahav dress.

Aguilera dazzled in her charming purple dress at the 23rd Annual Latin Grammy Awards.