Reuters

By FOX News Magazine

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When Christina Aguilera appeared on the “The Tonight Show with Jay Leno” in a black bodycon dress to promote the upcoming fifth season of singing competition show, “The Voice,” all eyes were on her amazing figure.

READ: Christina Aguilera Dishes On Her Weight Loss Secret

Back in March, the 32-year-old singer made headlines for successfully shedding some pounds, and it seems whatever she's doing is still working for her. 

When recently asked about her daily fitness routine, Aguilera said she does the best she can.

PHOTOS: Snooki's Slim Downed Look

“If I can squeeze in a workout, great,” said Aguilera. “If not, that’s OK, too.”

READ: Miranda Lambert's Weight Loss Plan

She also revealed that her five-year-old son Max also helps to keep her in shape.

“Running around with him all day is pretty good exercise,” she added.

Check out her many looks through the years below:

READ: How To Dress A Curvy Body 

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Teen Choice Awards

Performing "Genie In A Bottle" in 1999.

PHOTOS: The 5 Most Awkward Moments At Awards Shows

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Latin Grammy Awards

Arriving at the red carpet in 2000.

Associated Press
MTV Video Music Awards

Entering Radio City Music Hall in 2002. 

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MTV Movie Awards

Arriving at the taping in 2006.

Associated Press
DVD Signing

Attending an event in 2008.

Associated Press
67th Annual Golden Globe Awards

Greeting photographers in 2010.

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"Michael Forever" Tribute Concert

Performing at the Millennium Stadium in 2011.

Associated Press
ALMA Awards

Waving to fans in 2012.

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40th Annual American Music Awards
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Los Angeles Show

Performing in 2012.

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"The Voice" Season 3 Premiere

Entering House of Blues in 2012.

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"The Voice" Season 4 Premiere

Attending the screening in 2013.

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2013 Kid's Choice Awards

Performing with Pitbull in Los Angeles.

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2013's Time 100 Gala

Celebrating in New York City.

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2013 Billboard Music Awards

Performing with Pitbull at the MGM Grand Garden Arena in Las Vegas.

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"The Voice" Panel

Participating during the NBC sessions at the Television Critics Association summer press tour in Beverly Hills.