People like Dolores Del Rio, apparently snapped playing in a light moment on-set, in the only backless ping pong outfit ever made:
Perhaps it was prescribed as part of Mr. Mayer's exercise-and-diet plan for young Judy Garland:
Wynne Gibson had the first (and, one hopes, only) matching bra-and-paddle ensemble:
Bitch stole my table tennis frock!
Go, and enjoy - but beware. The proprietor takes his table tennis very seriously. Oh, and the gent with Zsa Zsa? Not a husband; we're told he is, instead, "Long Beach TTA President John Hann."
How one wonders this particular event came about; the thing about Gabors is that you can't tell anything from the outfit. In their universe, that is daywear. Maybe she just dropped by.