Hollywood cannot “Calm Down” over Selena Gomez’s engagement ... the happy couple by “liking” Gomez’s post included Reese Witherspoon, Jessica Simpson, Hilary Duff, John Legend ...

"Your gigantic heart, generous spirit, and endless creativity inspire me every day," Reese Witherspoon wrote ... with a Prom Theme — and Even Got Selena Gomez a 'Little Corsage' Justin Bieber ...

Reese Witherspoon, Nicole Kidman and Selena Gomez all opted to wear floor-sweeping inky dresses for last night’s in-person event, making the case firmly for Old Hollywood-inspired fashion moments.