Justin Bieber has his own mini-me in the form of his little brother Jaxon !
Jeremy Bieber , who's dad to both boys, shared a photo of the six-year-old on his first day of school — and he looks exactly like the "Sorry" singer, 22.
MUST SEE: Justin Bieber Calls Out Taylor Swift While FaceTiming With Kanye West!
Wearing a baseball cap, a black-and-white top and earrings, it's no wonder the Grammy winner's fans have labeled the elementary-schooler "Justin 2.0!"
Who knows, in a few short years Jaxon may become the next teen idol! Scroll through the gallery below to see more pics of celebs with their siblings.
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Demi Lovato and Madison De La Garza
Demi's little sister is now 16 years old, while the singer is 25.
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Justin and Jaxon Bieber
Justin's little brother is now eight years old, while the singer is 23.
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Nicky and Paris Hilton
Paris is now 36 and her little sis is 34.
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Mary-Kate, Ashley, and Elizabeth Olsen
Mary-Kate and Ashley are 31 years old, and their baby sis is 28.
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James and Dave Franco
James is 39, and his little bro is 32.
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Dakota and Elle Fanning
Dakota is 23, while her little sister is now 19 years old.
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Britney and Jamie Lynn Spears
Britney's younger sister is 26 years old, while the pop star is 36.
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Jaden and Willow Smith
Jaden is 19, while his sister is 17.
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Kendall and Kylie Jenner
Kendall is 22 and her sister is 20.
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Jessica and Ashlee Simpson
Jessica's little sister is 33 years old, while the singer is 37.
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Chris and Liam Hemsworth
Chris is 34 and his younger brother is 27.
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Beyoncé and Solange Knowles
Bey's younger sister is 31 years old, while the pop star is 36.
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Haylie and Hilary Duff
Hilary's big sis is 32, while the actress is 30.
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Derek and Julianne Hough
Derek is 32 and his sister is 29.
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Kourtney, Kim, and Khloé Kardashian
Kourtney, Kim, and Khloé are 38, 37, and 33 respectively.
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Vanessa and Stella Hudgens
Vanessa's little sis is 22 years old, while the High School Musical actress is 29.
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Owen and Luke Wilson
Owen is 49 and his brother is 46.
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Tia and Tamera Mowry
The twins are 39 years old.
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Maggie and Jake Gyllenhaal
Jake is 37 while his big sis is 40.
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Miley and Noah Cyrus
Miley is 25 and her little sis is 17.
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Lindsay and Ali Lohan
Lindsay is 31, and baby sis Ali is 24.
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Kevin, Joe and Nick Jonas
Now a father of two, Kevin is 30. Joe is 28, and Nick is 25. FYI, the "bonus Jonas," baby brother Frankie, is 17!
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Kelly and Jack Osbourne.
Kelly is 33, and her brother is now 32 — and a dad to two daughters.
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Nicole and Sofia Richie
Big sis Nicole is 36, while her younger sister Sofia is 19.
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Taylor and Austin Swift
Taylor's 28, and her younger brother, Austin, is 25.