Here's what Kurt Cobain looked like in the early '90s: Vinnie Zuffante / Getty Images
Here's what Frances Bean Cobain, Kurt Cobain's daughter with Courtney Love, looks like today: Mike Coppola / Getty Images
Here's what Elvis Presley looked like in the mid-'60s: Liaison / Getty Images
Here's what Elvis Presley's daughter Lisa Marie Presley looks like today: Jon Kopaloff / FilmMagic / Getty Images
Here's what Will Smith, aka the Fresh Prince, looked like in the late '80s: David Corio / Getty Images
Here's what Willow Smith, Will Smith's daughter with Jada Pinkett Smith, looks like today: Here's what 50 Cent looked like in the mid-2000s: Lawrence Lucier / FilmMagic / Getty Images
Here's what 50 Cent's son Marquise Jackson looks like today: Here's what Madonna looked like in the late '70s: Michael Mcdonnell / Getty Images
Here's what Madonna's daughter Lourdes Leon looks like today: Theo Wargo / Getty Images
Here's what Lauryn Hill looked like in the late '90s: Anthony Barboza / Getty Images
Here's what Selah Marley, Lauryn Hill's daughter with Rohan Marley, looks like today: Here's what John Lennon looked like in the late '60s: Bettmann / Bettmann Archive / Getty Images
Here's what Sean Ono Lennon, John Lennon's son with Yoko Ono, looks like today: Gilbert Carrasquillo / Getty Images
Here's what Bette Midler looked like in the late '70s: Michael Ochs Archives / Getty Images
Here's what Bette Midler's daughter Sophie Von Haselberg looks like today: Jamie Mccarthy / Getty Images
Here's what Mariah Carey looked like in the early '90s: Frank Micelotta Archive / Getty Images
Here's what Monroe Cannon, Mariah Carey's daughter with Nick Cannon, looks like today: Here's what Diana Ross looked like in the late '80s: Harry Langdon / Getty Images
Here's what Diana Ross's son Evan Ross looks like today: Steve Granitz / WireImage / Getty Images
Here's what Steven Tyler looked like in the late '70s: Fin Costello / Getty Images
Here's what Steven Tyler's daughter Liv Tyler looks like today: Randy Holmes / ABC via Getty Images
Here's what Diddy looked like in the late '90s: Dave Hogan / Getty Images
Here's what Diddy's son Christian Combs looks like today: Here's what Britney Spears looked like in the late '90s: Hulton Archive / Getty Images
Here's what Britney Spears' sons Sean Preston Federline (L) and Jayden James Federline (R) look like today: Here's what Paul McCartney looked like in the mid-'70s: Michael Putland / Getty Images
Here's what James McCartney, Paul McCartney's son with Linda McCartney, looks like today: David M. Benett / Getty Images
Here's what Nat King Cole looked like in the early '60s: Gab Archive / Redferns / Getty Images
Here's what Nat King Cole's daughter Natalie Cole looked like in the early 2010s: Natalie Cole died in 2015.
Jason Merritt / Getty Images Here's what Minnie Riperton looked like in the late '70s: Harry Langdon / Getty Images
Here's what Minnie Riperton's daughter Maya Rudolph looks like today: Todd Williamson / NBCU Photo Bank via Getty Images
Here's what Céline Dion looked like in the late '80s: Michel Ponomareff / Gamma-Rapho via Getty Images
Here's what Céline Dion's son René-Charles Angélil looks like today: Marc Piasecki / GC Images / Getty Images
Here's what Bob Marley looked like in the mid-'70s: Allan Tannenbaum / Getty Images
Here's what Bob Marley's son Ziggy Marley looks like today: Sergi Alexander / Getty Images
Here's what Erykah Badu looked like in the early 2000s: Kmazur / WireImage / Getty Images
Here's what Erykah Badu's daughter Puma Curry looks like today: Here's what Jay-Z looked like in the late '90s: Al Pereira / Getty Images
Here's what Blue Ivy Carter, Jay-Z's daughter with Beyoncé, looks like today: Allen Berezovsky / Getty Images
Here's what Ashlee Simpson looked like in the mid-2000s: Peter Kramer / Getty Images
Here's what Bronx Wentz, Ashlee Simpson's son with Pete Wentz, looks like today: Here's what Mel B looked like in the late '90s: Dave Hogan / Getty Images
Here's what Mel B's daughter Phoenix Brown looks like today: David M. Benett / Dave Benett / Getty Images
Here's what Billy Joel looked like in the late '70s: Michael Putland / Getty Images
Here's what Alexa Ray Joel, Billy Joel's daughter with Christie Brinkley, looks like today: Bobby Bank / Getty Images
Here's what Judy Garland looked like in the mid-'50s: CBS Photo Archive / Getty Images
Here's what Liza Minnelli, Judy Garland's daughter with Vincente Minnelli, looks like today: Tibrina Hobson / Getty Images
And here's what Lenny Kravitz looked like in the early '90s: Paul Natkin / Getty Images
Here's what Zoë Kravitz, Lenny Kravitz's daughter with Lisa Bonet, looks like today: Steve Granitz / FilmMagic / Getty Images
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