Katy Perry: Markus Molinari Birthday Party! (Exclusive)

Katy Perry has a grand ol’ time at the birthday party of her best friend, jewelry designer Markus Molinari on Friday (May 18) held at SHOREbar in Santa Monica, Calif.

The 27-year-old entertainer attended the party hosted by the bar’s owner John Terzian.

“Happy 23RD BDAY to my bestest most chicest friend @MDMOLINARI You’re EVERYTHING” Katy tweeted to her bestie!

Also in attendance and pictured below: Katy‘s stylist Johnny Wujek, musician David Hudson (Katy‘s brother), radio personality Karli Henriquez, and actors Chord Overstreet, Shannon Woodward, Adrian Bellani, Skyler Shaye and James Van Der Beek with wife Kimberly. Check out the JustJared.com exclusive pics below!

FYI: SHOREbar, which was designed by Roetta Getty, is located on Channel Road between the Hungry Cat and Giorgio Baldi in the former Hideout bar space. The cocktail list was created by mixologist Vincenzo Marianella of the extremed craft cocktail haven Copa D’Oro.

20+ pictures inside of Markus Molinari‘s birthday party…