At the Tribeca festival, singer Katy Perry dazzled in a vintage Lanvin gown while Canadian politician Justin Trudeau complemented her in a classic black suit. | Fashion Trends

Katy Perry and Justin Trudeau are red-carpet official after a year, with the two stepping out for Perry's film premiere at the Tribeca Festival.

Katy Perry and Justin Trudeau had all eyes on them as they walked hand-in-hand at the Tribeca Festival.