"Happy 75th birthday to my best friend," the former president wrote on Twitter. "I marvel at the way you approach life and constantly work to make more good things happen for more people.

Happy 75th Birthday x2 Joyce Hollingshead Cole from your best ever twin friends of 60 years, since the 7th grade at Roosevelt Middle School. We love you so much and cherish our friendship.

VIJAYAWADA: Greetings poured in in large numbers to Chief Minister Nara Chandrababu Naidu on his 75th birthday on Sunday.