Washington, June 24 : Madonna recently threw a pre-prom bash for her teen daughter Lourdes to celebrate the end of her high school career.

The 'Material Girl' hitmaker organized a garden party in New York City and also posted the pics on Instagram, Contactmusic reported.

In one of the pics, Lourdes poses in a black and white polka dot dress next to her pals with a caption that says "pre prom turn up", while another shot shows off one of Lourdes' male classmates modelling his tuxedo.

Madoona also snapped a picture of a wine glass placed perfectly between her feet while she relaxed on the grass.

Lourdes is set to graduate from the Fiorello H.  LaGuardia High School of Music and Art and Performing Arts. (ANI)