Barbara Palvin wears a Mercedes Benz ball cap while walking around the practice session of the F1 Grand Prix of Monaco on Saturday afternoon (May 28) in Monte-Carlo, Monaco.

The 22-year-old model brought along her older sister Anita to the event, where they stopped by to wish driver Lewis Hamilton luck on the track.

Barbara and Anita were also seen hanging out with actress Gabrielle Union and her husband, basketball player Dwyane Wade.