Complex sentence: She described her experience on the film as a "huge confidence booster", but despite the film's success and praise for her "warm presence" from Todd McCarthy, a critic for "Variety", it failed to launch her career.
Split into simpler sentences: She described her experience on the film as a "huge confidence booster". Despite the film's success and praise for her "warm presence" from Todd McCarthy, a critic for "Variety", it failed to launch her career.