I know I'm a few days late reporting this but I've had lots on this weekend... anyway, it looks like Helena Paparizou and YOHIO will participate. Awesome news!
Helena has participated in ESC twice! She represented Greece in 2001 (with her band, Antique) and came third, respectively. Then she went solo and won the contest in 2005. She now aims to represent her Sweden, the country she was born and raised in. According to aftonbladet, her song is ”uptempo, catchy and crazy good". It's been composed by Bobby Ljunggren, Henrik Wikström and Sharon Vaughn. Ljungrren - they wrote Carola's 2006 Eurovision entry, which came 5th in Athens.
It's also been reported that YOHIO is back in the running. He participated this year and won the public vote. The full list will be revealed by the end of the month. #excited