Groundbreaking: The Tampa Museum of Art will celebrate the groundbreaking of its new facility in downtown Tampa. The event will feature live entertainment by the Busch Gardens' Men of Note and more. 11:30 a.m. Parking is available in the Poe Garage, next to the event site in the Curtis Hixon Waterfront Park. Entrance will be at Ashley Drive and Zack Street. Free. Call 274-8130.
Pooch-a-Palooza: Downtown Dogs, the Humane Society of Tampa Bay, tbt* and Hyde Park Village are looking for pet lovers. The event includes free giveaways, photos with your pet, fun demonstrations and vendors. 9:30-11:30 a.m.; Hyde Park Village, Tampa; free. Call 251-3500.
Avril Lavigne: The buoyant Canadian pop rocker brings her show to the area with a list of songs that have become anthems for some teens. She and her band will share the stage with pop group Boys Like Girls. 7 p.m.; Ford Amphitheatre, 4802 U.S. 301 N, Tampa; $9-$45. Call 287-8844.
Taste of the Arts Sunday: The Arts Council of Hillsborough County's Artist Advisory Committee invites you to partake in an event that's all about the arts. The event features dance, theater, music, visual arts and poetry by award-winning members of the local arts community and recipients of Arts Council of Hillsborough County individual artist grants. 3 p.m.; Music Room, Henry B. Plant Museum, 401 E Kennedy Blvd., Tampa; free. Call 276-8250.
Charity event: AIDS/Lifecycle and Easter Seals will hold a charity auction to raise money for AIDS research. The event features artwork and more. An after-party will be held at Byblos Mediterranean Cafe at 2832 S MacDill Ave., Tampa, from 7:30-9 p.m. The auction will be held at the Michael Murphy Art Gallery from 5-7:30 p.m.; 2701 S MacDill Ave., Tampa; free. Call 541-9150.
Earth Day celebration: Ceviche Tapas Bar & Restaurant will host an Earth Day event to raise money to protect environmentally sensitive properties in the Tampa Bay area. Tickets will include one 360 Vodka, called an "eco luxury vodka." 5-8 p.m.; Ceviche Tapas Bar and Restaurant, 1502 S Howard Ave., Tampa; $20. Visit greentampabay.com.
Little Women: The University of Tampa's Speech, Theatre and Dance department will put on the Broadway show Little Women. The production is directed by Michael Staczar and will be performed through Sunday. Performance times are 8 p.m. today and Saturday, and 2 p.m. Sunday. David Falk Theatre, 428 W Kennedy Blvd., Tampa; $10. Call 257-3987.
The Pirates of Penzance Jr.: The Youth Theater Company will put on the junior version of Gilbert and Sullivan's most popular operetta, The Pirates of Penzance. The production runs through April 27. Show times are 7 p.m. Thursday-Friday, 3 and 7 p.m. Saturdays, and 3 p.m. Sundays. TECO Theater, Tampa Bay Performing Arts, Tampa; $12.50-$14.50. Call 229-7827.