Mrs Obama sticks out her tongue, elegantly and discreetly.

JULY 07 2011: Mrs Obama with her children during a World Team Tennis match between the Washington Kastles and the Boston Lobsters at the Wharf stadium in Washington DC. Washington won 25-5. Washington won 25-10.

tennisWorld Team TennisWTTThe Wharf stadiumWashington DCSerenaWashington KastlesBoston Lobsterspro tennis