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    Ariana Grande, Keke Palmer, And 24 Other Former Nickelodeon Stars Who've Had Big Style Transformations

    Where did all the time go...

    1. Emma Roberts on her first red carpet in 2001:

    Emma smiling in camo capri pants and sleeveless T-shirt

    Emma Roberts on her most recent red carpet in 2021:

    Emma in a short dress with three-quarter-length sleeves and square neckline

    Emma Roberts then vs. now:

    Two photos side by side

    2. Keke Palmer on her first red carpet in 2005:

    Keke wearing a hair bow and a long, satiny dress with ruched bodice

    Keke Palmer on her most recent red carpet in 2022:

    Keke Palmer then vs. now:

    Photos side by side

    3. Miranda Cosgrove on her first red carpet in 2004:

    Miranda in low-rise jeans and jacket

    Miranda Cosgrove on her most recent red carpet in 2022:

    Miranda in a short halter-top dress

    Miranda Cosgrove then vs. now:

    Side-by-side photos

    4. Ariana Grande on her first red carpet in 2009:

    Ariana Grande on her most recent red carpet in 2020:

    Ariana Grande then vs. now:

    Side-by-sides

    5. Elizabeth Gillies on her first red carpet in 2010:

    Elizabeth in leggings and sleeveless long top

    Elizabeth Gillies on her most recent red carpet in 2021:

    Elizabeth Gillies then vs. now:

    Side-by-sides

    6. Josh Peck on his first red carpet in 2004:

    Smiling Josh in a T-shirt

    Josh Peck on his most recent red carpet in 2021:

    Josh in a short-sleeved flower-pattern shirt

    Josh Peck then vs. now:

    Side-by-sides

    7. Kel Mitchell and Kenan Thompson's first red carpet in 1997:

    Kel in a hat and striped pant set and Kenan in a loose shirt

    Kel Mitchell on his most recent red carpet in 2020:

    Smiling Kel in a hat and wearing jeans, a jean shirt, and a suede or corduroy jacket

    Kenan Thompson on his most recent red carpet in 2021:

    Smiling Kenan in a velvety-looking suit, no tie

    Kel Mitchell and Kenan Thompson then vs. now:

    Three side-by-sides

    8. Victoria Justice on her first red carpet in 2005:

    Smiling Victoria in a short-sleeved bright top and dangly necklace

    Victoria Justice on her most recent red carpet in 2022:

    Victoria in a long-sleeved top with see-through sections

    Victoria Justice then vs. now:

    Side-by-sides

    9. Alex and Nat Wolff's first red carpet in 2007:

    Alex and Nat embracing and wearing jeans and shirts

    Alex Wolff on his most recent red carpet in 2022:

    Alex in a suit and tie

    Nat Wolff on his most recent red carpet in 2022:

    Nat in a suit and tie

    Alex and Nat Wolff then vs. now:

    Three side-by-sides

    10. Devon Werkheiser on his first red carpet in 2004:

    Smiling Devon in a checkered, short-sleeved shirt, loose pants, and sneakers

    Devon Werkheiser on his most recent red carpet in 2019:

    Devon with his hands in the pockets of his mid-thigh coat

    Devon Werkheiser then vs. now:

    Side-by-sides

    11. Avan Jogia on his first red carpet in 2008:

    Smiling Avan in a top hat and suit and tie

    Avan Jogia on his most recent red carpet in 2020:

    Avan in a suit, no tie, and a goatee and mustache

    Avan Jogia then vs. now:

    Side-by-sides

    12. Jennette McCurdy on her first red carpet in 2008:

    Jennette in leggings and a short dress

    Jennette McCurdy on her most recent red carpet in 2018:

    Jennette in a belted pantsuit

    Jennette McCurdy then vs. now:

    Two side-by-sides

    13. Nathan Kress on his first red carpet in 2009:

    Nathan in jeans and a shirt, tie, and open jacket

    Nathan Kress on his most recent red carpet in 2022:

    Smiling Nathan in a shirt and open jacket

    Nathan Kress then vs. now:

    Side-by-sides

    14. Daniella Monet on her first red carpet in 2004:

    Daniella in a spaghetti-strap mid-thigh dress with wrap

    Daniella Monet on her most recent red carpet in 2019:

    Daniella in a short dress and long shirt and showing a baby bump

    Daniella Monet then vs. now:

    Side-by-sides

    15. Paul Butcher on his first red carpet in 2006:

    Smiling Paul in jeans and a T-shirt

    Paul Butcher on his most recent red carpet in 2019:

    Paul in straight pants and shirt

    Paul Butcher then vs. now:

    Side-by-sides

    16. Matt Bennett on his first red carpet in 2010:

    Matt with thick hair and glasses, wearing jeans, sneakers, and a short-sleeved shirt

    Matt Bennett on his most recent red carpet in 2021:

    Smiling Matt in a jean jacket and shirt

    17. Matt Bennett then vs. now:

    Side-by-sides

    18. Leon Thomas III on his first red carpet in 2007:

    Smiling Leon giving the peace sign and wearing jeans, a tie and shirt, and a jacket

    Leon Thomas III on his most recent red carpet in 2020:

    Leon with sunglasses and wearing a jacket with bow tie

    Leon Thomas III then vs. now:

    Side-by-sides

    19. Nick Cannon on his first red carpet in 2001:

    Nick in a hat, long-sleeved top, and jeans, holding up a peace sign

    Nick Cannon on his most recent red carpet in 2021:

    Nick in a tie and long houndstooth jacket and matching pants

    Nick Cannon then vs. now:

    Side-by-sides

    20. Larisa Oleynik on her first red carpet in 1996:

    Smiling Larisa in a short, short-sleeved dress with a flower pattern at the bottom and ankle boots

    Larisa Oleynik on her most recent red carpet in 2019:

    Smiling Larisa in jeans, scoop-neck top, and long coat

    Larisa Oleynik then vs. now:

    Side-by-sides

    21. Meagan Good on her first red carpet in 2002:

    Meagan in a sleeveless tank top, tight, asymmetrical-bottom skirt, and thigh-high boots

    Meagan Good on her most recent red carpet in 2022:

    Meagan in a jumpsuit and combat boots

    Meagan Good then vs. now:

    Side-by-sides

    22. Robert Ri'chard on his first red carpet in 1999:

    Smiling Robert in a long jacket, open shirt, and loose pants

    Robert Ri'chard on his most recent red carpet in 2021:

    Robert in a shiny, patterned jacket, open shirt, and pants

    Robert Ri'chard then vs. now:

    Side-by-sides

    23. Melissa Joan Hart's first red carpet in 1994:

    Melissa Joan Hart's most recent red carpet in 2022:

    Melissa in a puffy-sleeved, shiny, deep-V-neck jumpsuit

    Melissa Joan Hart then vs. now:

    Side-by-sides

    24. Christina Vidal on her first red carpet in 2001:

    Smiling Christina with camo pants and one-shoulder top

    Christina Vidal's most recent red carpet in 2020:

    Christina in long-sleeved, shiny wrap minidress
    Side-by-sides

    25. Ciara Bravo on her first red carpet in 2009:

    Ciara Bravo on her most recent red carpet in 2022:

    Ciara Bravo then vs. now:

    Side-by-sides

    26. And finally, Big Time Rush on their first red carpet in 2010:

    Four band members dressed casually in various vests, jackets, shirts, and ties

    Big Time Rush on their most recent red carpet in 2022:

    Three smiling members, with one holding a photo of the fourth, dressed casually in long-sleeved sweaters, jackets, vests, or shirts

    Big Time Rush then vs. now:

    Side-by-sides