Lady Gaga hit the big 4-0 on Saturday, but instead of a big blowout, she spent her special day chilling with her fiancé, ...

Paws up! In honor of Lady Gaga’s milestone 40th birthday, we’re breaking down some fun facts about the Grammy winner ...

From "Abracadabra" to "Zombieboy," here are all the Lady Gaga songs on the Mayhem Ball tour.

Paws up for Mother Monster.

Lady Gaga, the self-anointed "Mother Monster" brought her latest touring musical extravaganza, "The Mayhem Ball," March 29 to the TD Garden.

Boston’s first of two Gaga shows delivered gothic theatrics, arena-sized pop, and a fan tribute that left Gaga in tears. The ...

The Mayhem Ball tour blended theatrical spectacle, chart-topping hits, and emotional moments in a high-energy D.C. stop.

As iconic as undefinable, Lady Gaga has left quite a mark on the world of music. Here's how she reinvented pop— and reached ...

Lady Gaga was moved to tears after fans celebrated the pop icon's 40th birthday at TD Garden in Boston Sunday night.

We break down the legacy of Mother Monster, from her freaky hits to her fantastical performance art and fabulous fashion.