Tammin Pamela Sursok (born August 19, 1983) Is An Emmy-nominated Australian Logie Award-winning Actress And Musician. She Is Known For The Roles Of Dani Sutherland On Home And Away And Colleen Carlton On The Young And The Restless. She Also Launched A Singing Career (under The Name Tammin), With Her Debut Single, "Pointless Relationship", Released On November 14, 2004 And Debuting In The Top 10 Of The Australian Singles Chart The Following Week.