“#DahliaDivin. For my modern day goddesses!!! ;-) Shine without inhibition!!!” tweeted Alicia.
The ads will start running in magazines this September.
Past Parfums Givenchy spokespeople have included Justin Timberlake, Liv Tyler, Uma Thurman, and Amanda Seyfried.
Meanwhile, Alicia has been in the studio with Pharrell and Swizz Beatz working on her sixth album.