“Happy “Swing”day everyone,” the Saved by the Bell alum wrote.
In a series of photos, the Beverly Hills, 90210 star shared some fun family moments of painting a pumpkin in the yard, joining mom behind the scenes, and a funny “just picking our nose” shot.
Last month, Tiffani posted a photo of Harper getting into the Halloween spirit in a supergirl costume.
The actress, 38, has wrapped filming of her hit TV series, White Collar, alongside fellow celebrity parent Matt Bomer in the Big Apple. Tiffani and husband Brady Smith are now home in Los Angeles with their adorable tot.