Singer Katy Perry said she was "dating someone else" when a fan asked to marry her at her concert in Prague on Oct. 30.

Perry and Trudeau made their first public appearance together earlier this week in celebration of the singer's 41st birthday.

Even with a hot new romance to keep her happy, Katy Perry couldn't help but be obnoxious about it when a fan at a European concert held up a sign asking her to marry him, RadarOnline. com.

Katy Perry has fulfilled many fans’ teenage dream as she arranged a special backstage event for nine of her young fans who are battling with severe illnesses.The 40-year-old popstar

Katy Perry is finding time to take in the sights while on her tour through Europe. In the midst of The Lifetimes Tour, the 41-year-old “Firework” singer shared photos and videos from her latest European escapades on Instagram on Friday.

During her concert at the O2 Arena in Prague, Katy Perry had a moment no one saw coming. What seemed like just another dance routine turned into a spontaneous, humorous instant tha

Katy Perry’s 41st birthday sparked a wave of controversies, from going public with former Canadian Prime Minister Justin Trudeau to smashing her own birthday cake. As soon as she blew out the flames,

Katy Perry and Justin Trudeau make their public debut as a couple, stepping out hand-in-hand at Crazy Horse Paris for the pop star's 41st birthday celebration.

Katy Perry is getting blasted online for destroying her 40th birthday cake, which her backup dancers ended up eating off the floor. The pop star celebrated the milestone backstage following a recent stop on her ongoing Lifetimes Tour.

One connection Perry and Trudeau share is that both had a tumultuous year, professionally and personally, and being seen together ‘elevates both their brands,’ a publicist has said.