Kelsea Hepburn, the former Calgary ringette coach who was convicted of having an  inappropriate relationship with one of her players will be a registered sex offender for life.

Court of Queen’s Bench Justice Paul Jeffrey made the ruling on Thursday after hearing arguments from Crown prosecutor Vicki Faulkner and defence lawyer Maureen McConaghy.

Hepburn 24, was sentenced to 18 months for of sex offences involving a 13-year-old in 2010. During the trial in February, the teen described incidents where Hepburn would initiate touching and kissing.

Hepburn, 24, began coaching the 13-year-old girl in 2010 and was found guilty of sexual touching and invitation to sexual touching in February.

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Kelsey Hepburn has been sentenced to 18 months in jail for sexual interference and invitation to sexual touching. (CBC)

During the trial in February, the teen had described incidents where Hepburn would initiate touching and kissing.

The court had heard testimony from the girl in which she said Hepburn told her that she frequently felt like a criminal or a predator. One text from Hepburn to the girl read, "PS you need to be super careful with your phone and erase these messages ... if anyone reads these I'm going to jail."