'Harry Potter' Stars: Then & Now

Daniel Radcliffe, Emma Watson and Rupert Grint hit the red carpet at the ‘Harry Potter and the Half-Blood Prince’ premiere in New York City on July 9, 2009

1 of 13

Getty Images

Daniel Radcliffe, Emma Watson and Rupert Grint hit the red carpet at the ‘Harry Potter and the Half-Blood Prince’ premiere in New York City on July 9, 2009

Emma Watson attends 'The Circle' Paris Photocall at Hotel Le Bristol on June 22, 2017 in Paris

2 of 13

WireImage

Emma Watson attends 'The Circle' Paris Photocall at Hotel Le Bristol on June 22, 2017 in Paris

Emma Watson’s stylish fashion taste was apparent at a young age, at the premiere of “Harry Potter and the Sorcerer’s Stone” in London on November 4, 2001

3 of 13

FilmMagic

Emma Watson’s stylish fashion taste was apparent at a young age, at the premiere of “Harry Potter and the Sorcerer’s Stone” in London on November 4, 2001

Emma Watson attends a special pre-Orange British Academy Film Awards party in London on February 10, 2012

4 of 13

Getty Premium

Emma Watson attends a special pre-Orange British Academy Film Awards party in London on February 10, 2012

The world was introduced to Daniel Radcliffe when he was only 12 years old, at the premiere of “Harry Potter and the Sorcerer’s Stone” in London on November 4, 2001

5 of 13

FilmMagic

The world was introduced to Daniel Radcliffe when he was only 12 years old, at the premiere of “Harry Potter and the Sorcerer’s Stone” in London on November 4, 2001

Daniel Radcliffe at the Tommy Hilfiger Dinner in celebration of the 12th Zurich Film Festival on September 30, 2016 in Zurich, Switzerland

6 of 13

Getty Images

Daniel Radcliffe at the Tommy Hilfiger Dinner in celebration of the 12th Zurich Film Festival on September 30, 2016 in Zurich, Switzerland

Daniel Radcliffe is all smiles at the premiere of “Harry Potter and the Deathly Hallows — Part 2” at Avery Fisher Hall, Lincoln Center, in New York City on July 11, 2011

7 of 13

WireImage

Daniel Radcliffe is all smiles at the premiere of “Harry Potter and the Deathly Hallows — Part 2” at Avery Fisher Hall, Lincoln Center, in New York City on July 11, 2011

Everyone was first charmed by Rupert Grint and his fiery red hair at the premiere of “Harry Potter and the Sorcerer’s Stone” in London on November 4, 2001

8 of 13

Getty Images

Everyone was first charmed by Rupert Grint and his fiery red hair at the premiere of “Harry Potter and the Sorcerer’s Stone” in London on November 4, 2001

Rupert Grint signs autographs for adoring fans at the premiere of “Harry Potter and the Deathly Hallows — Part 2” at Avery Fisher Hall, Lincoln Center, in New York City on July 11, 2011

9 of 13

Getty Images

Rupert Grint signs autographs for adoring fans at the premiere of “Harry Potter and the Deathly Hallows — Part 2” at Avery Fisher Hall, Lincoln Center, in New York City on July 11, 2011

Rupert Grint attends the premiere screening of Cackle's 'Snatch' the series at Arclight Cinemas Culver City on March 9, 2017 in Culver City

10 of 13

Getty Images

Rupert Grint attends the premiere screening of Cackle's 'Snatch' the series at Arclight Cinemas Culver City on March 9, 2017 in Culver City

Tom Felton steps out the New York premiere of “Harry Potter And The Deathly Hallows: Part 2” at Avery Fisher Hall, Lincoln Center in New York City on July 11, 2011

11 of 13

Getty Images

Tom Felton looks handsome at the New York premiere of “Harry Potter And The Deathly Hallows: Part 2” at Avery Fisher Hall, Lincoln Center in New York City on July 11, 2011

Matthew Lewis, who had played only a few roles before being cast as Neville Longbottom, at the premiere of “Harry Potter and the Prisoner of Azkaban” in New York City on May 23, 2004

12 of 13

WireImage

Matthew Lewis, who had played only a few roles before being cast as Neville Longbottom, at the premiere of “Harry Potter and the Prisoner of Azkaban” in New York City on May 23, 2004

Matthew Lewis steps out at the premiere of “Harry Potter and the Deathly Hallows: Part 2” in New York City on July 11, 2011

13 of 13

WireImage

Matthew Lewis steps out at the premiere of “Harry Potter and the Deathly Hallows: Part 2” in New York City on July 11, 2011