Brinkley is seen beaming from ear to ear as she looks up at her daughter Alexa, who is clapping her hands. Another shot shows ...

Christie Brinkley just reached a new milestone surrounded ... ear as she looks up at her daughter Alexa, who is clapping her hands. Another shot shows the birthday girl posing with her family ...

Christie Brinkley/Instagram Christie Brinkley just reached a new milestone surrounded by family and friends. On Sunday, Feb. 2, the model was all smiles as she celebrated her 71st birthday with ...