From 2004 to 2012, Boag competed as one of the professional partners in ten series and six Christmas specials of the BBC celebrity ballroom competition show, Strictly Come Dancing.
They also reached the finals of the competition, but were named the runners-up to cricketer Darren Gough and his professional partner, Lilia Kopylova.
In the show's sixth series, Boag was partnered up with former England rugby union player, Austin Healey.
They finished the Christmas special in joint-fifth place, alongside Ricky Whittle and his professional partner, Natalie Lowe.
[1] They finished the Christmas special in second place, losing to actor John Barrowman and his professional partner, Kristina Rihanoff.
They finished the Christmas special in joint-second place, alongside Simon Webbe and his professional partner, Katya Virshilas.
On 24 April 2014, Erin gave birth by emergency caesarean section to a baby boy, named Ewan Robert Geoffrey O'Dowd.
He was born on his father's 50th birthday; Boag's professional dancing partner Anton du Beke is the child's godfather.
The tour was to comprise three weekend breaks in England and Wales in 2019, and to feature the stars of Strictly Come Dancing teaching and performing.