The Voice judge met Lambert in 2005 before the pair got married in 2011, formalizing their divorce in 2015.
A source told RadarOnline.com: "Blake found about the wedding at the same time everyone else did.
"He was NOT given a heads up and doesn't know her new husband. Since they split they have had almost zero contact."
A rep for the Lambert confirmed the marriage to Mcloughlin saying that it happened a while ago after she went public this weekend.
The 35-year-old blonde baffled followers by walking down the aisle with the New York City cop and model after splitting with singer Evan Felker just last August.
And it appears as if her new husband has some serious baggage of his own.
RadarOnline.com revealed that Mcloughlin welcomed a child with a baby mama in November 2018, making him the father of a 3-month-old, as a baby registry proves.
Lambert totally shocked her fans when she announced via social media on February 16, 2019, that the pair was now husband and wife.
RadarOnline.com reported recently how the country singer got involved in a bizarre incident at a Nashville steakhouse.
We pay for juicy info! Do you have a story for RadarOnline.com? Email us at email@example.com, or call us at (866) ON-RADAR (667-2327) any time, day or night.