Lourdes Leon: 'Deathly Hallows' Premiere in New York City!

Lourdes Leon attends the black carpet premiere of Harry Potter and the Deathly Hallows: Part 1 on Monday (November 15) at Alice Tully Hall in New York City.

The 14-year-old daughter of Madonna showed off her British pride with a Union Jack clutch!

Also attending the event: Precious star Gabourey Sidibe and Sarah Jessica Parker, who brought along hubby Matthew Broderick and their 8-year-old son James.

10+ pictures inside of Lourdes Leon and Gabourey Sidibe at the Deathly Hallows NYC premiere…