Signature dance moves from a joyful Desmond Tutu during celebrations for his 80th birthday in South Africa.<br/> The Nobel Peace Prize-winning Archbishop was at Cape Town's historic St George's Cathedral for an official thanksgiving service to mark his birthday.<br/> Earlier, an at times emotional Tutu thanked the congregation and paid tribute to his wife of 56 years.<br/> (SOUNDBITE) (English) ARCHBISHOP DESMOND TUTU SAYING:<br/> "Thank you, thank you, all of you, thank you for all. Thank you, thank you for being you. She's wonderful in affirming me. She just recently put up a poster which she put under the television which said 'You are entitled to your wrong opinion.'"<br/> Guests included Graca Machel, wife of former president Nelson Mandela - who was not present - and officials from the African National Congress-led government, despite Tutu's scathing criticism of them last week.<br/> The Dalai Lama was forced to cancel a trip to attend after not being issued with a South African visa in time.<br/> A private party was to be held later on Friday.<br/> Sunita Rappai, Reuters
