Justin Bieber: A fashionista. (Chris Pizzello/AP)

For one night only, anyone in New York can head to specific locations in the Big Apple and meet/annoy an array of celebs. Here’s a list to help your stalking dreams come true!

(Check back for a photo-heavy rundown of celeb sightings Friday.)

Justin Bieber will be Dolce & Gabbana’s guest of honor this evening, which may seem weird but actually makes sense. His choice of red pants with cheetah print shoes at the MTV VMAs confirmed to me that’s he’s really a fashionista. (Racked NY)

Daniel Radcliffe will be hanging out at Jeffrey New York, which will in turn be filled with “Harry Potter” fans.” (Racked NY)

Sarah Silverman will be telling jokes and signing her book, “The Bedwetter,” at MAC Cosmetics. (NBC New York)

Bergdorf Goodman is hosting Victoria Beckham, who may have baby Harper. That’s a celeb two-for! (NBC)

Attention “Community” fans: Donald Glover is hanging at Bloomingdale’s. (Racked)

Samuel L. Jackson will chat with Giorgio Armani at his Madison Avenue location. (Fashionista)

Mary Kate and Ashley Olsen will judge your singing voice at Barneys’s karaoke contest. (NBC)

So what about those “Glee” kids, who filmed a promo for the event? Well, Lea Michele is in New York and will be at Saks tonight with “some special guests.”