Overview

• Dannielynn Birkhead, 17, kicked off her birthday festivities at the Power Morphicon Convention in Pasadena, California.
• Accompanied by her father, Larry Birkhead, she cosplayed three different 'Kamen Rider' characters.
• Larry shared the experience on Instagram, highlighting Dannielynn's joy in meeting her favorite actors.
• This event marked a rare public appearance for Dannielynn, who is usually kept out of the spotlight.
• The father-daughter duo has a tradition of attending the Kentucky Derby together annually.