"Legally Blonde - The Musical." Check for showtimes. Herndon High School, 700 Bennett St., Herndon. Ages 13+. $12. www.herndondrama.org. 703-810-2341.
B.B. King Tribute Concert. 7:30-10 p.m. ArtSpace Herndon, 750 Center St., Herndon. Featuring "Slam" Allen. $20. Free to children under 12. artspaceherndon.com. 703-956-9560.
FISH Fling Gala and Fundraiser. 6-11 p.m. Hyatt Dulles Hotel, 2300 Dulles Corner Blvd., Herndon. Festive music, dancing, games and prizes, auctions, dinner, dessert and wine. For more information, contact fling@HerndonRestonFISH.org.
The Celebration of Women Who Impact Our Community. 10 a.m.-noon. Crowne Plaza Hotel, 2200 Centreville Road, Herndon. Hosted by Women Impact Now. Celebrating and honoring 4 women who are making a difference in the community. $30. 571-244-6808. womenimpactnow.com.
Pet Photography Classes. 3-6 p.m. 433-B Carlisle Drive, Herndon. Love taking pictures of your pets but wish they would turn out better? Learn tips and tricks from professional pet photographer Terry Wingfield of Wingfield Photography. Bring your dog and your camera to this exciting interactive class. $45/$65. Register at novadogmagazine.com/events.
Pets and Claws Pet Resource Expo. Noon-2 p.m. Reston Community Center, 2310 Colts Neck Road, Reston. Information on pet care, training, nutrition, emergency situations, day care, and more will be available from local businesses. This Expo will take place inside RCC Hunters Woods. Pets, other than service animals, are not allowed inside the building. Free. restoncomunitycenter.com.
Mutts Gone Nuts. 11 a.m. 3 p.m. CenterStage, 2310 Colts Neck Road, Reston. Disorderly duo Scott and Joan Houghton and their hilarious pack of pooches have created a comedy dog thrill show like no other. $5/$10. restoncommunitycenter.com.