Demi Lovato is always talking about marriage with her longterm boyfriend.
Lovato and Wilmer Valderrama have been together for some time, and they are discussing the prospect of getting married. However, a source says that there is no timetable for this.
Speaking to HollywoodLife.com, the source said: "They always talk about marriage, and they are definitely going to get married, but a timetable has not been determined for when that will happen.
"There is no pressure and it could happen in 2015, but it could easily happen in 2020. It's coming down to when they want to have kids, they want to do everything all at once."
And should the pair tie the knot, Lovato would like to take Valderrama's surname but would need to keep her surname for her work.
The source added: "She would want to be known as Demi Valderrama but understands she has to keep the Lovato name for professional means.
"But anytime she can use his last name when they end up getting married is what she wants to do."
Meanwhile, Demi - who openly admits she suffered from an eating disorder in the past - recently credited her boyfriend for keeping her out of rehab after she started "obsessing over food" again.
She said: "It's been difficult. I almost went back to rehab for my eating disorder last summer. I was obsessing over food and terrified of it at the same time.
"Wilmer noticed and called me out on it, which was a relief. I was done being afraid of food and so tired of overeating and not knowing why I did it."
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