Lovely Little Liars by Julia McBryant

After his mother died, sweet, sheltered Mason Pinckney spent a homeschooled childhood on the sea islands off the coast of Carolina without a TV or exposure to pop culture. After moving Savannah and making friends, a night of drinking ends up with what’s supposed to be a one-night stand. Mason doesn’t recognize Zane Smith, a recent Oscar nominee for Best Actor. He doesn’t care about fame. Zane’s floored he’s found the only person in America who doesn’t swoon over him on sight.
Zane’s closeted for career reasons. The paparazzi’s stalking. Hollywood’s gossiping. Both Zane and Mason — and especially Zane — are hiding their true selves behind the masks others expect of them. But the two are determined to make the relationship work.
A story about finding yourself despite circumstance, difference, and division, this gay billionaire, mm movie-star romance will keep you believing in the power of true love, the meaning of friendship, and the importance of loving someone for their authentic self — no matter what the consequences.