Here's what Lou Bega of "Mambo No. 5 (A Little Bit of...)" fame looked like back in 1999:

Here's what Lou Bega looks like today:

Listen to "Mambo No. 5 (A Little Bit of...)" here:
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Here's what Natalie Imbruglia of "Torn" fame looked like back in 1997:

Here's what Natalie Imbruglia looks like today:

Listen to "Torn" here:
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Here's what Sisqó of "Thong Song" fame looked like back in 2000:

Here's what Sisqó looks like today:

Listen to "Thong Song" here:
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Here's what Cassie of "Me & U" fame looked like back in 2006:

Here's what Cassie looks like today:
Listen to "Me & U" here:
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Here's what James Blunt of "You're Beautiful" fame looked like back in 2005:

Here's what James Blunt looks like today:

Listen to "You're Beautiful" here:
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Here's what Sean Kingston of "Beautiful Girls" fame looked like back in 2007:

Here's what Sean Kingston looks like today:
Listen to "Beautiful Girls" here:
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Here's what Macy Gray of "I Try" fame looked like back in 1999:

Here's what Macy Gray looks like today:

Listen to "I Try" here:
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Here's what Gavin DeGraw of "I Don't Want to Be" fame looked like back in 2004:

Here's what Gavin DeGraw looks like today:

Listen to "I Don't Want to Be" here:
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Here's what Estelle of "American Boy" fame looked like back in 2008:

Here's what Estelle looks like today:

Listen to "American Boy" here:
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Here's what Willa Ford of "I Wanna Be Bad" fame looked like back in 2001:

Here's what Willa Ford looks like today:

Listen to "I Wanna Be Bad" here:
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Here's what Amerie of "1 Thing" fame looked like back in 2005:

Here's what Amerie looks like today:
Listen to "1 Thing" here:
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Here's what Trace Cyrus (Metro Station) of "Shake It" fame looked like back in 2008:

Here's what Trace Cyrus from Metro Station looks like today:
Listen to "Shake It" here:
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Here's what Linda Perry (4 Non Blondes) of "What's Up?" fame looked like back in 1993:

Here's what Linda Perry from 4 Non Blondes looks like today:

Listen to "What's Up?" here:
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Here's what Sir Mix-a-Lot of "Baby Got Back" fame looked like back in 1992:

Here's what Sir Mix-a-Lot looks like today:

Listen to "Baby Got Back" here:
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Here's what Vanessa Carlton of "A Thousand Miles" fame looked like back in 2002:

Here's what Vanessa Carlton looks like today:

Listen to "A Thousand Miles" here:
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Here's what Tweet of "Oops (Oh My)" fame looked like back in 2002:

Here's what Tweet looks like today:

Listen to "Oops (Oh My)" here:
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Here's what Eamon of "Fuck It (I Don't Want You Back)" fame looked like back in 2003:

Here's what Eamon looks like today:
Listen to "Fuck It (I Don't Want You Back)" here:
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Here's what Afroman of "Because I Got High" fame looked like back in 2001:

Here's what Afroman looks like today:

Listen to "Because I Got High" here:
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Here's what Nina Sky of "Move Ya Body" fame looked like back in 2004:

Here's what Nina Sky looks like today:

Listen to "Move Ya Body" here:
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Here's what Kevin Lyttle of "Turn Me On" fame looked like back in 2003:

Here's what Kevin Lyttle looks like today:

Listen to "Turn Me On" here:
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Here's what Lene Nystrøm and René Dif (Aqua) of "Barbie Girl" fame looked like back in 1997:

Here's what Lene Nystrøm and René Dif from Aqua look like today:

Listen to "Barbie Girl" here:
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Here's what J-Kwon of "Tipsy" fame looked like back in 2004:

Here's what J-Kwon looks like today:
Listen to "Tipsy" here:
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Here's what Ryan Cabrera of "On the Way Down" fame looked like back in 2004:

Here's what Ryan Cabrera looks like today:

Listen to "On the Way Down" here:
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Here's what the Baha Men of "Who Let the Dogs Out" fame looked like back in 2000:

Here's what the Baha Men look like today:
Listen to "Who Let the Dogs Out" here:
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And here's what Vitamin C of "Graduation (Friends Forever)" fame looked like back in 2000:

Here's what Vitamin C looks like today:
