updated 07/10/2013 AT 11:00 AM ET
•originally published 07/10/2013 AT 6:30 PM ET
Extraterrestrial life has never been this cuddly!
“Alien dog gets a bath. No reaction,” Meester wrote with the pic of the longhaired dachshund sopping wet in a sink and seemingly unamused by the impromptu scrub.
If Trudy was lucky, that bath also included a special lullaby: Meester, 27, told PEOPLE in 2011 she has a special song she sings for her pooch.
“The only lyrics to it is, ‘Trudy, she’s a dog,’” the actress said. “It’s very melodic and she loves it. She knows it’s her song.”