Britney Spears, Christina Aguilera, Selena Gomez, More Write LGBTQ Love LettersBritney Spears, Christina Aguilera, Selena Gomez, More Write LGBTQ Love LettersAmong the stars who have answered the call are Britney Spears, Christina Aguilera, Kelly Clarkson, Selena Gomez, Sia, RuPaul, Martha Wash, and Lauren Jauregui. Rachel KalinaRachel Kalina