Taylor Momsen, who plays "Gossip Girl's" Jenny Humphrey, has been tapped to represent John Galliano's newest women's fragrance, which is due out this fall. The young Momsen, who recently celebrated her 17th birthday and is the youngest of the "Gossip Girl" gals, is climbing major ladders these days in the modeling world.

She was also selected by Madonna as the face of the pop star's upcoming "Material Girl" Macy's clothing line for young girls, which officially launches Aug. 3. Momsen also recently hosted the Victoria's Secret Love Rocks fragrance launch in January.