She was keen to get involved in the sport of surfing as she caught some waves on the beach in Hawaii.
Her itsy bitsy red bikini bottoms left her somewhat exposed, as it failed to cover her athletic physique.
Serena gets some surf action while on holiday in Hawaii – but unfortunately leaves herself over-exposed
Serena puts her all into it
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Tight fit: The tennis champ surfed in an ill-fitting bikini which left little of her athletic physique to the imagination
Serena hit the surf
Wet suit: Serena showers off the salty surf at the end of her surfing session