Gavin Rossdale may not have anyone by his side in finding out the truth between Gwen Stefani and Blake Shelton's dating history as Miranda Lambert reportedly now understand the No Doubt singer.

As reported by Hollywood Life, the "Little Red Wagon" singer purportedly continues to be a fan of the No Doubt singer and loved her new song "Used To Love You" especially during her rendition at the 2015 American Music Awards.

"She can sympathize with Gwen with regard to the words in 'Used To Love You,'" an insider told the source above.

"Despite the fact that Gwen is dating her ex husband, Miranda has always been a fan of her music," the insider added. "She did see Gwen's performance last night and thought she did an excellent job."

It was only earlier this month that rumors swirled that Gavin Rossdale and Miranda Lambert reportedly wanted to meet up to discuss their exes Gwen Stefani and Blake Shelton. At the time, it was speculated that they were wary that the "The Voice" judge only started dating recently.

"Miranda believes something's been going on between these two for a lot longer than they're letting on," an insider also revealed to the entertainment website. "She doesn't buy their story that it's totally brand new. She thinks they're just trying to cover it up so they don't look bad. She's not the only one that thinks that thinks these two aren't being transparent. Miranda's sure the truth will come out eventually, it always does."

Gwen Stefani and Blake Shelton only spilled on the real deal about them on the eve of the 2015 Country Music Awards were Miranda Lambert was also attending. Their reps confirming the dating rumors to Us Weekly. The confirmation came at a time when it was exposed that Gavin Rossdale had been allegedly cheating on the No Doubt singer with their former nanny.