The term "starlight before and after" most commonly relates to the discussion about the character Starlight (Annie January) from the TV series "The Boys," played by Erin Moriarty, and the noticeable changes in her appearance over the seasons. Fans have observed and speculated about her transformation from Season 1 to later seasons, debating whether her evolving look is due to natural aging, makeup, or plastic surgery. Moriarty has denied undergoing plastic surgery, attributing changes to aging, makeup, and photographic effects. The transformation also parallels her character's growth from innocent to more mature and powerful in the storyline. If the inquiry was about something else related to "starlight before and after," please specify, but this interpretation aligns with the most relevant and popular context of the phrase currently in the public and media discussion.