Seasoned musician Jackson Maine discovers — and falls in love with — struggling artist Ally. She has just about given up on her dream to make it big as a singer — until Jack coaxes her into the spotlight. But even as Ally's career takes off, the personal side of their relationship is breaking down, as Jack fights an ongoing battle with his own internal demons.

Mia, an aspiring actress, serves lattes to movie stars in between auditions and Sebastian, a jazz musician, scrapes by playing cocktail party gigs in dingy bars, but as success mounts they are faced with decisions that begin to fray the fragile fabric of their love affair, and the dreams they worked so hard to maintain in each other threaten to rip them apart.

Lady Gaga opens the iTunes Festival with an hour-long performance of music from her upcoming album ARTPOP. Surrounded by her Little Monsters in London's celebrated Roundhouse, Lady Gaga performs seven new songs, including her hit single "Applause."

Lady Gaga Presents: The Monster Ball Tour at Madison Square Garden is a 2011 concert special documenting the February 21 and 22, 2011 shows of Lady Gaga's The Monster Ball Tour. It features concert footage as well as pre-concert and backstage content.