Selena Gomez: After visiting St. Petersburg for her role in Spring Breakers, the pop star returns to the bay area for a show in Tampa, performing hit singles like Come and Get It and Slow Down. Concert starts at 7 p.m. at the Tampa Bay Times Forum, 401 Channelside Drive, Tampa. $26-$66. (813) 301-2500.
Howl-O-Ween: This pet-friendly Halloween party features a pet parade, costume contest and a reception area with hors d'oeuvres for both humans and canines. Benefits Southeastern Guide Dogs Paws for Patriots program. It starts at 5 p.m. at the Don CeSar Beach Resort and Spa, 3400 Gulf Blvd., St. Pete Beach. $25, dogs free (RSVP required). (727) 363-5077.
So You Think You Can Dance: The Season 10 tour features popular routines and original pieces by Aaron Turner, Amy Yakima, Fik-Shun, Hayley Erbert, Nico Greetham, Paul Karmiryan and Tucker Knox. Show starts at 7:30 p.m. at Ruth Eckerd Hall, 1111 N McMullen-Booth Road, Clearwater. $48-$82.50. (727) 791-7400.
Nightmare on Franklin Street: Stanley Kubrick fans are in for a treat with this double feature. See the documentary Room 237 exploring the hidden meanings in The Shining, then stick around for the 1980 thriller starring Jack Nicholson. Room 237 starts at 7:30 p.m.; The Shining is at 10 at Tampa Theatre, 711 Franklin St., Tampa. $12-$17 individual tickets; $17.50 double feature. (813) 274-8982
SEASON PREMIERE Ke$ha: My Crazy Beautiful Life, 10:30 p.m., MTV There's a second season of this reality show, for some strange reason. We checked out when she started yammering about drinking her own urine.
Criminal Minds, 9 p.m., CBS A killer in Utah seems fascinated with the Salem Witch Trials. That means when you catch the person, tie them up in a sack and throw them in the river. If they get out of the bag, everything's cool.
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Florida Orchestra: You'll hear the powerful Also Sprach Zarathustra — you know, the theme from 2001: A Space Odyssey. Also, Orli Shaham performs Mozart's Piano Concerto No. 20. Concerts Friday at the Straz Center in Tampa, Saturday at the Mahaffey in St. Petersburg and Sunday at Ruth Eckerd Hall in Clearwater. $15–$45. (727) 892-3337.
Macbeth: Jobsite Theater sets the Shakespeare thriller in a modern fantasy world where magic and technology coexist. Previews on Wednesday and Thursday, opening Friday at the Straz Center in Tampa. $28. (813) 229-7827.
St. Petersburg International Folk Fair: Roam the world with more than 30 ethnic villages, including cultural displays, food and live entertainment Saturday in St. Petersburg's Vinoy Park. $10; $6 students; free for children under 6.