Katy Perry: The Teenage Dream songstress is ready to Roar as she sets off on a tour in support of the album, Witness. Synth-pop duo Purity Ring opens. 7:30 p.m., Amalie Arena, 401 Channelside Drive, Tampa. $45.75-$195.75. (813) 301-2500.
John Prine: The Nashville Songwriters Hall of Fame member is known for classics like Angel from Montgomery, Sam Stone, Paradise and Hello in There. 8 p.m., Ruth Eckerd Hall, 1111 N McMullen-Booth Road, Clearwater. $67-$107. (727) 791-7400.
Green Grass and Yuletide Jam: The 4th annual event features southern rock legends The Outlaws and special guest The Artimus Pyle Band, featuring the Lynyrd Skynyrd drummer. 8 p.m., Capitol Theatre, 405 Cleveland St., Clearwater. $39.50-$69.50. (727) 791-7400.
Treasure Island Lighted Boat Parade: A pre-parade poolside party at the Club includes visits with Santa and Mrs. Claus, food, drink, face painting and live entertainment (4:30 p.m.). Bring one unwrapped new toy or make a cash donation for admission. 6:20 p.m., The Club at Treasure Island, 400 Treasure Island Causeway, Treasure Island. Free. Donations required for pre-parade party. (727) 367-4511.
Harley Flanagan: The punk icon was a founding member of thrash legends the Cro-Mags. 7 p.m., The Orpheum, 1915 E Seventh Ave., Ybor City. $15. (813) 248-9500.
Balloonapalooza: Hot air balloons will come to life with brightly glowing colors. Each evening features a carnival of food, arts and crafts, tethered balloon rides, musical entertainment, Santa visit, the USF Chamber Choir, Christian artists Javier, Albert Sanchez and a nightly balloon glow show. 4 p.m., Florida State Fairgrounds, 4802 U.S. 301 N, Tampa. $15, $10 seniors/ages 3-11; $35-$75 VIP. (469) 288-0460. Santa's Workshop: MOSI's Idea Zone is transformed into a video game and animation inspired winter wonderland where "elves" create mini movies, glowing cards and wood works. Daily through Dec. 31. Included with admission. 10 a.m., Museum of Science and Industry (MOSI), 4801 E Fowler Ave., Tampa. $12.95, seniors $10.95, ages 3-12 $7.95; 2 and younger free. Member discounts available. Ropes course is $7. Free parking. (813) 987-6000.
Victorian Christmas at the Safford House: Enjoy refreshments and live performances as you take a stroll through the 1883 Safford House decked out in Victorian era holiday decorations. Includes photos with Victorian Santa, craft activities, carolers and a gift shop. 11 a.m., Safford House Museum, 23 Parkin Circuit, Tarpon Springs. $18, $14 members, $8 children through 6th grade. (727) 942-5605.
Ice Skating at Tampa's Winter Village: Even in Florida, you can get in the holiday spirit by ice skating on an outdoor rink in the park. Each 90-minute session includes skate rental. Stop by the cafe for themed drinks and holiday snacks. 4 p.m., Curtis Hixon Park, 600 N Ashley Drive, Tampa. $13. (813) 221-3686.
Christmas in the Wild: The animals come out at night for the zoo's holiday party. Runs through Dec. 30 on select nights. 4 p.m., Lowry Park Zoo, 1101 W Sligh Ave., Tampa. $32.95, $24.95 ages 3-11, 2 and younger free. (813) 935-8552.
River of Lights Christmas Cruise: Board the Pirate Taxi for a 45-minute cruise up the Hillsborough River to see festively lighted bridges and shimmering downtown skylines. Includes hot cocoa, cookies, carols and Christmas carols. Departs hourly between 6 and 10 p.m. 6 p.m., Pirate Water Taxi, 333 S Franklin St., Tampa. $25, $15 ages 4-12, 3 and younger free. (813) 223-7999.
Winter Wonderland: A playground of holiday fun with cookie decorating with Mrs. Claus, a visit with Santa, baby animals, pony rides, the Holiday Express train, a 20-foot slide and bouncy house. 6 p.m., Downtown Clearwater (Drew Street and Fort Harrison), Drew Street and Fort Harrison Avenue, Clearwater. Free admission, fee for some activities (donations appreciated). (727) 442-2099.
Food Trucks: Rally Around Town: Ugly Sweater Food Truck Crawl: Food trucks gather for waterfront dining, with indoor, air-conditioned seating available, and live music. Ugly sweaters are recommended for this month's crawl with snow, Santa, a screening of Elf and free elf hats to the first 300 people. Food trucks expected include the Surf and Turf Truck, I Wanna Wok, Riddle on the Griddle, Just Smokin' BBQ, Maggie on the Move, Ikigai Sushi Bowls and Wraps, Taco Traveler, Empamamas, Got Lobstah?, Vanchetta, Soul Food Street Kitchen, Shanghai Fresh and Krepelicious. 6 p.m., Albert Whitted Park, 107 Eighth Ave. SE, St. Petersburg. Free (food/drink additional). (727) 892-5715.
Holiday Classic Movie Series: Elf (2003): Because of construction at Tampa Theatre, this year's Holiday Classics series moves to Winter Village with holiday themed films on a 40-foot screen. 7:30 p.m., Curtis Hixon Park, 600 N Ashley Drive, Tampa. Free. (813) 274-8287.
13 Ugly Men: Ugly Sweater Party: 13 Ugly Men wear Ugly Sweaters and "party for a purpose" at this holiday party with drink specials, multiple entertainment areas and an appearance by Santa. Benefits the Ryan Nece Foundation. 8 p.m., The Hall on Franklin, 1701 N Franklin St., Tampa. $10 women, $15 men. (813) 405-4008.
A Very Swell Noel: Crooner/jazz pianist Michael Raabe and chanteuse Sara DelBeato perform retro holiday tunes, cabaret style. 8 p.m., American Stage Theatre Company at Raymond James Theater, 163 Third St. N, St. Petersburg. $20 advance. (727) 823-7529.
Rocky Horror Jingle Hell: The cast of Hell on Heels presents a shadowcast of Rocky Horror Picture Show with a holiday twist. Bring a new, unwrapped toy and get a free prop bag. 11:30 p.m., Carrollwood Villagio Cinemas, 11778 N Dale Mabry Highway, Tampa. $9. (813) 498-2800.
MORE TO EXPLORE
Find more events for kids at tampabay.com/things-to-do.