Irvin Osathanond

In 2005, she graduated from International School Bangkok, which was where she befriended a Thai singer, Lydia. She got B.A in Communication Management (Second-class honor) from Chulalongkorn University.

On March 25, 2006, Charm Osathanond was crowned seventh Miss Thailand Universe in Bangkok by reigning Miss Universe 2005 Natalie Glebova of Canada.

As Miss Thailand Universe, she represented Thailand in the Miss Universe 2006 pageant which was televised live internationally from the Shrine Auditorium in Los Angeles, California on July 23, 2006.

After competing in the preliminary competitions, Osathanond made the top twenty during the pageant final becoming the first semi-finalist from Thailand since Porntip Nakhirunkanok won the title in 1988 18 years prior. The pageant was won by Zuleyka Rivera of Puerto Rico.

In December 2015, she was married to an Australian businessman who she has befriended at the International School Bangkok. They divorced in 2018.