I.S.I. Halloween Party at Beauty Bar Industry Supporting Industry returns to the Downtown watering hole to present a special Halloween edition of its monthly art event. Grub on food truck fare (courtesy of Tasty Bunz) or sip on free Sailor Jerry cocktails (9 to 10 p.m.) while you peruse the haunting holiday-themed art. Supplying sounds for the spooky celebration are DJ Malachi and Deadhand, performing live. October 20, doors at 9 p.m., free.

Ghostbar Dayclub Grandiose Opening While many of the city’s beach and pool clubs are closing down, Ghostbar’s daytime party is just getting started. The bottle (and piñata)-popping action begins Saturday afternoon, with Palms resident Zen Freeman in the DJ booth. October 22, doors at 1 p.m., $20 advance, $25 at the door, ladies free.

Pretty in Pink at Blue Martini The Town Square lounge joins the Pinktober celebration Saturday night with a fundraising event benefiting Susan G. Komen for the Cure. Raffle tickets for a number of luxurious prizes will be sold beginning at 4 p.m., with all proceeds benefiting the extremely worthy cause. The first 500 women through the door score gift bags, so be sure to arrive early, ladies! October 22, 8 p.m., $20 men, $10 local men, ladies free.

Devils Night at Hard Rock Cafe (Strip) If you happen to be a kandi kid who loves Halloween, your Saturday night just got pretty freaking awesome. Sixteen electronic dance music acts convene at the Strip-side venue for the 14th annual electro extravaganza, including electro bass DJ Drop the Lime and visual DJ Speedy, bringing his “Cinema Therapy” with him. A sideshow with circus performers, go-gos and a costume contest (with a $1K prize) complete the event. October 22, 9 p.m., $30.

Crazy Horse III Anniversary Party The off-Strip gentleman’s club celebrates two years with a complimentary open bar for all attendees from 9 to 11 p.m. Iconic Playboy cover model Carmen Electra plays host for the milestone bash, with DJ C-L.A. spinning the tunes. October 22, 9 p.m.

Kim Kardashian Humphries at Marquee After partying it up at the Cosmo club for her bachelorette party in July, the newlywed socialite (with new last name) returns to Marquee to celebrate her big 3-1. Taking over the DJ booth for the night is Miami-based French producer Cedric Gervais. October 22, doors at 9 p.m., $50 men, $20 women.

Josh Strickland at Gallery Kim K isn’t the only popular personality celebrating a birthday this weekend. Holly Madison’s BFF reports to Gallery’s dancefloor to commemorate his 28th year on the planet. The Peepshow and Holly’s World star will be joined by host-for-the-night Dana Wilkey of The Real Housewives of Beverly Hills. October 22, doors at 10 p.m., $30 men, $20 women, includes Pussycat Dolls Burlesque Saloon entry.

Ne-Yo at Surrender The Grammy-winning recording artist (and onetime local) achieved platinum status with his third album, Year of the Gentleman. He celebrates his 29th birthday at the Encore club with a special live performance. October 22, doors at 10:30 p.m., $40 men, $30 women.