Gwen Stefani, Derek Zoolander & More: Star Sightings 2.1.16

Paramount Pictures gets an A for effort for promoting Zoolander No. 2. Owen Wilson and Ben Stiller got into character for their press day in Rome, but instead of answering questions in some conference room, the actors made themselves part of Valentino's window display.

Modeling is the essence of fashion. Fashion is the essence of art. Art is the essence of modeling. Because FULL CIRCLE.

Elsewhere, Lily James and Suki Waterhouse attended the premiere of Pride + Prejudice + Zombies in London. The creator of this film gets zero points for creativity.

See what else your favorite stars were up to in the slideshow below.

1. Ben Stiller and Owen Wilson Promote 'Zoolander No. 2'

Ben Stiller and Owen Wilson surprise shoppers by posing in the windows of Valentino in Rome, Italy to promote 'Zoolander No. 2' on January 31st, 2016.

2. Suki Waterhouse: 'Pride And Prejudice And Zombies' European Premiere

Suki Waterhouse attends the European premiere of 'Pride And Prejudice And Zombies' at Vue West End on February 1, 2016 in London, England.

3. Andy Cohen and Wacha Leave 'Watch What Happens Live'

Andy Cohen and his dog, Wacha, leave 'Watch What Happens Live' in Manhattan on February 1st, 2016.

4. Christine Taylor: Rome Fan Screening of 'Zoolander No. 2'

Christine Taylor attends the Rome Fan Screening of 'Zoolander No. 2' at The Space Moderno - Piazza della Repubblica on January 30, 2016.

5. Gwen Stefani Leaves a Birthday Party in LA

Gwen Stefani leaves a children's birthday party with her son Apollo Rossdale and her parents, Dennis and Patricia Stefani on January 30th, 2016.

6. Lilly Ghalichi hosts Dubai Fashion Week London

'Shahs of Sunset' star Lilly Ghalichi hosts Dubai Fashion Week London at Montcalm Hotel in London, England on January 31st, 2016.

7. Aubrey Plaza: Art Directors Guild 20th Annual Excellence in Production Awards

Aubrey Plaza attends the Art Directors Guild 20th Annual Excellence in Production Awards at The Beverly Hilton Hotel on January 31, 2016 in Beverly Hills, California.

8. Lily James: 'Pride And Prejudice And Zombies' European Premiere

Lily James attends the European premiere of 'Pride And Prejudice And Zombies' at Vue West End on February 1, 2016 in London, England.

9. Kenya Moore and Matt Jordan Spotted In New York

'The Real Housewives of Atlanta' star Kenya Moore and Matt Jordan out in New York on January 31st, 2016.

10. Justin Theroux: Rome Fan Screening of 'Zoolander No. 2'

Justin Theroux (who wrote the movie) attends the Rome Fan Screening of 'Zoolander No. 2' at The Space Moderno - Piazza della Repubblica on January 30, 2016.