LILY ALLEN swallowed a large dose of humble pie when JOAN COLLINS refused to kiss her.
The Dynasty legend rejected the singer's friendly advances when she greeted her with a peck on the cheek.
Lily wrote on her Twitter page: "Omg , was just introduced to joan collins, shook her hand and went to kiss her on the cheek.
"'I don't kiss people I don't know'. AMAZING!"
The pair were attending a party to celebrate 100 years of London store Selfridges.
The Fear star is currently taking a break on her world tour, before kicking things off again in Berlin on Sunday.