Rachel Brosnahan exudes glamour in a bejewelled cut-out dress as she attends the Vanity Fair party in Los Angeles

Rosamund Pike cuts an elegant figure in a glamorous pink gown as she attends the Vanity Fair party in LA

Reese Witherspoon sparkles in red gown while her son Deacon, 20, looks dapper in classic suit as they attend the star-studded Vanity Fair pre-Golden Globes party together

Halsey and Avan Jogia Are Courtside Cuties at Los Angeles Lakers Game