The duo's attire marked a departure from their previous press tour looks, which often featured their characters' signature colours.
The event at Cineworld in Leicester Square featured a yellow brick road instead of a traditional red carpet, adorned with pink and white floral arrangements.
Notable cast members present included Jeff Goldblum, Jonathan Bailey, Michelle Yeoh, and director Jon M Chu, alongside celebrity guests.
The highly anticipated sequel, based on the acclaimed Broadway musical, has received early positive reviews and is set for release in the UK and Ireland on 21 November.