The American singer and actress, Katheryn Elizabeth "Katy" Hudson known by her stage name Katy Perry, celebrated her 31st birthday at the American casual dining restaurant chain specializing in Italian-American cuisine, Olive Garden.

The "Roar" hitmaker chose to dine at Olive Garden for her birthday celebration. Katy Perry made sure to capture the moment on Instagram, and shared her enthusiasm about the experience with everyone saying, "When you could go somewhere else for your birthday dinner, but you're so OG that you go to OG with all your OG's. [Photo] by @ronyalwin #thosebreadstickstho," with it she posted the awesome picture of herself along with her friends.

Many of which have asked the question of whether or not Katy Perry participated in the unlimited soup, salad and breadsticks deal. The singer who started her career in gospel music as a teenager - Perry, has been celebrating her birthday, which was Sunday, nonstop.

The 'Dark Horse' singer collaborated with presidential hopeful - the American politician who served as the 67th United States Secretary of State - Hillary Clinton in Des Moines, Iowa, for a rally where Katy Perry performed.

The California born singer looked amazing to impress with her patriotic ensemble, she donned a strapless white Michael Costello-designed dress and a handmade, crystal-studded American-flag cape that Katy Perry matched with a red and blue turban.

In addition to Katy Perry performing "Firework" and "Roar," Perry also tried earnestly to persuade attendees to go out and vote.

Katy Perry stated, "You have so much power and this is one of the most essential elections in over ten years. So much change can be experienced," Perry also said, "I stand and I march with the presidential hopeful Hillary Clinton. I believe in her future, her vision. I believe in Hillary Clinton's policies. I believe in equal rights for men, women, pay. I'm expressing my gratitude for having me, Hillary Clinton is my firework."