wrote on Instagram on Saturday. “Always up for a party! Happy Birthday, mama.” Hedren marked her big day decked out in layers of jewelry and by wearing a purple cardigan with embroidered hearts.The “Birds” actress also sported pink nails and bedazzled matching glasses that read “Cake time!”Several high-profile celebrities extended their well wishes to Hedren in the comments section. “Forever beautiful! And especially her heart for animals,” Linda Thompson wrote.