Bring your four-legged friend in costume to the mall for the doggie costume contest, which will have more than $1,000 in prizes. Live music from the John Nunes Trio. There also will be more than 40 vendors, face painters, balloon artists and hundreds of cats, dogs, kittens and puppies up for adoption. Free. 2-6 p.m. Saturday. The Shops at Wiregrass, 28211 Paseo Drive, Suite 100, Wesley Chapel. (813) 994-2242.
Fall Pet Festival
Dress your pet in a funny or spooky costume (you can dress up, too) for a pet costume contest with $1,000 in prizes. Every entry gets a goodie bag. Registration at 1:45 p.m. with judging at 2 p.m. Benefits the SPCA Tampa Bay. $10. noon-2 p.m. Sunday. Pet Food Warehouse (St. Petersburg), 6155 B 18th St. N, St. Petersburg. (727) 521-6191.
Groovy Monster Bash
This family-oriented event features a pet costume contest for prizes, catered food, live music, dancing and pet photos. Benefits Lost Angels Animal Rescue. $25 per person. 6-9 p.m. Saturday. Groovy Cats and Dogs, 10213-B Lake Carroll Way, Tampa. (813) 265-1333.
A Halloween party for dogs of all breeds and their families includes doggie games, firetruck tours, nail clippings, doggie treats, a pet costume contest, live bluegrass/Americana music by Wood Smoke, auctions and drawings. Benefits Dalmation Rescue of Tampa Bay. $2 per car up to eight people, fees vary for contests/games/services. 10 a.m.-2 p.m. Saturday. Lake Park and Dog Park, 17302 N Dale Mabry Highway, Lutz. (813) 973-3840.
Pet Masquerade Contest
There will be prizes for the scariest, funniest and most original pet costumes. Registration begins at 10 a.m. and the contest starts at 10:30 a.m. $5 entry fee per pet. 10 a.m.-1 p.m. Saturday. Old Hyde Park Village, 1622 W Snow Ave., Tampa. (813) 876-4150.
Spook-tabulous Pet Costume Contest
To benefit the Humane Society of Pinellas, The New Barker, Paw Paws and Westfield Countryside are sponsoring a pet costume contest, with models scoring points on attire, personality and originality. Registration begins at 10:30 a.m. in front of Paw Paws inside the mall. Prize packages will be awarded to the three contestants with the highest total score. $10. 10:30 a.m. Saturday, Westfield Countryside, 27001 U.S. 19 N, Suite 2096, Clearwater. (727)796-1070.