Magic moment: Emma on the red carpet at the last ever Harry Potter world premiere. Photos:PA
And we don't blame her, that voluminous tulle dress was hardly practical for mingling with the muggles, let alone throwing a shape or two on the dance floor.
And while we didn't think it possible to outdo her premiere frock, we were left firmly corrected.
Hermione who? Emma Watson dazzled in Elie Saab at the Harry Potter after-party. Photos:AP
Bridal satin peep-toes, retouched makeup and sparkling earrings completed the picture-perfect look.
Now we're left with a dilemma: which dress was best? Vote below...
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Click on our gallery below to see all the magic from the Harry Potter premiere red carpet:
- Daniel Radcliffe, Emma Watson, JK Rowling and Rupert Grint
- JK Rowling, Emma Watson, Daniel Radcliffe and Rupert Grint
- Emma Watson, Rupert Grint, Daniel Radcliffe and JK Rowling
- Daniel Radcliffe and Emma Watson
- JK Rowling
- Daniel Radcliffe
- Emma Watson
- Emma Watson
- Rupert Grint
- Helena Bonham Carter
- Bonnie Wright
- Clemence Poesy
- Maggie Smith
- Imelda Staunton
- Evanna Lynch
- Julie Walters
- Robbie Coltrane
- Jim Broadbent and wife
- Natalie Tena
- Oliver and James Phelps
- Miriam Margoyles
- Helen McCrory and Damien Lewis
- Warwick Davis and family
- Matthew Lewis
- Tom Felton and girlfriend Jade Olivia
- Afshan Azad
- Michael Gambon
- Jason Issacs
- Emma Watson at the London press conference<p> Emma struck a pose outside the St. Pancras hotel in London - showing off her new brunette 'do in the process - wearing a beautiful lace ruffle-hem Rafael Lopez dress and Chanel heels.</p>
- The Harry Potter cast at the London press conference<p> The entire cast gathered at the St. Pancras hotel for a final farewell press conference, the evening before the grand premiere - with just one notable absentee. Daniel Radcliffe was unable to attend due to Broadway commitments in New York.</p>
- Bonnie Wright at the London press conference<p> Bonnie Wright was ravishing in red at the London press conference and photo call.</p>
- Evanna Lynch and Emma Watson at the London press conference<p> Press were invited to join 20 of the cast members for the conference to discuss all things Deathly Hallows, before heading to a drinks reception to toast the end of a movie era.</p>
- Rupert Grint and Emma Watson at the London press conference<p> The release of the final Harry Potter film might mark the end of an era, but Rupert Grint and Emma Watson still proved they had plenty to smile about at the London press conference and photo call.</p>
- Rupert Grint, Emma Watson and Daniel Radcliffe
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