Taylor Momsen: Happy Birthday, Allegra Versace!

Gossip Girl star Taylor Momsen gets pretty in pink at Allegra Versace‘s 23rd birthday party at the Gramercy Park Hotel in New York City on Monday (June 29).

Allegra is the daughter of designer Donatella and niece of Gianni. The festivities were held at the Gramercy Park Hotel.

The 15-year-old’s band, Pretty Reckless, has taken up much of Taylor’s time recently. She also was asked if her alter-ego Jenny Humphrey would like her music, to which she replied, “I think she’d like it. Her dad’s a rocker. We’re trying to bring rock back with the Pretty Reckless here, so I think she’d like it. She put the Ramones in her fashion, so [yes].”

10+ pictures inside of Taylor Momsen wishing Happy Birthday to Allegra Versace…