Christina Aguilera, 39, got very candid in a new Instagram post. The singer opened up about her mental health while isolating amid the coronavirus pandemic, sharing snippets of what she’s written in her diary. “Today I’m starting #DiaryDares,” the Burlesque star captioned the photo, tagging some of her famous friends including Demi Lovato and Lizzo. “Especially at this time, it’s essential to dig deep, listen to ourselves, & create a ‘safe space’ for one another.”