Pistol Annies have abruptly canceled all of their concerts that were scheduled for June, leaving Miranda Lambert to fill in as a solo act at the upcoming shows.

The trio released their second album, 'Annie Up,' in May and were expected to tour in support of it, mingling the dates between Lambert's solo appearances and Ashley Monroe's promotional efforts for her recent solo album 'Like a Rose.' Lambert performed solo at the Winstock Festival on June 7, where the group were scheduled, and will perform solo at the Country Stampede on June 30.

According to Keepin' It Country, the only explanation provided to the promoter of the Winstock Festival was an email that read, "Due to unforeseen circumstances, Pistol Annies are unable to appear on any dates in June but Miranda Lambert will perform instead."

The trio were expected to perform at last week's CMT Awards, but did not. Lambert and Monroe both attended the awards show, and both appeared separately at events during the CMA Music Festival. Angaleena Presley was not photographed at either the CMT Awards or during CMA Music Festival. According to a tweet from Sirius XM's The Highway, Monroe has confirmed that the trio are still friends and will continue to make music together.

The trio's website offers no further information. The Events section simply reads, "There are no events at this time."

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