Tilda Swinton is a certified Bravoholic.

The actress, 63, confirmed in a new interview that she is a fan of the “Real Housewives” franchise and is particularly fond of “New York City” alum Luann de Lesseps.

“Oh, yes, I’m a ‘Housewives’ fan,” she told E! News during the premiere of her movie “The Room Next Door” at the New York Film Festival on Oct. 4...