Question: What advertisement was Beyoncé's skin supposedly lightened in?
Sentence: In 2008, L'Oréal was accused of whitening her skin in their Feria hair color advertisements, responding that "it is categorically untrue", and in 2013, Beyoncé herself criticized H&M for their proposed "retouching" of promotional images of her, and according to Vogue requested that only "natural pictures be used".
Answer in sentence: yes