In this special expanded Sunday Best, here’s a look at each of the contenders for the Academy Award for best costume design.

View this post on Instagram A post shared by Katy Perry Universe (@katyperryuniverse ... for No Doubt's "Just a Girl" and The Police's "Message in a Bottle" featuring Gwen Stefani. Get this right: ...

Additionally, the list of potential celebrities beneath the Pufferfish mask includes international names like Nicole Richie, Gwen Stefani, Katy Perry, Jamie Lynn Spears, and Nicole Scherzinger as well ...

Billie Eilish, Gracie Abrams, Jelly Roll, Katy Perry, Lady Gaga ... The members of No Doubt -- Gwen Stefani, Tom Dumont, Tony Kanal and Adrian Young -- reunited at FireAid and sang some of ...

Those taking part in the star-studded production include Billie Eilish and Finneas, Earth, Wind & Fire, Gracie Abrams, Green Day, Gwen Stefani, Jelly Roll, Joni Mitchell, Katy Perry, Lady Gaga ...

Could Lea Michele be the one behind the mask? Other predictions for Pufferfish's identity range widely, including American celebrities like Nicole Richie, Gwen Stefani, Katy Perry, Jamie Lynn Spears, ...

Iconic musical couples that have created mater-pieces together, from Beyonce and Jay-Z to Camilla Cabello and Shawn Mendes.

Blige. Adam Levine and Gwen Stefani also delivered a collaborative performance, in addition to Lady Gaga and Tony Bennett, Beyoncé, Erich Church, Ariana Grande, Madonna, Katy Perry, Sia ...