Nick Lachey showed his "true love" for wife Vanessa Lachey by searching through the trash for her wedding ring over the weekend.

The 43-year-old singer said in an Instagram post Saturday that he dug through "dirty diapers" and other debris to find the 36-year-old television personality's missing jewelry.

"This is true love after 6 years of marriage......digging through dirty diapers and trash to find your wife's missing wedding ring!! #success," he captioned a photo of the newly-found ring.

Lachey met Vanessa on the set of his "What's Left of Me" music video in 2006, and married the star in 2011.

The couple share 4-year-old son Camden, 2-year-old daughter Brooklyn and 6-month-old son Phoenix.

"You have three [kids], and then you realize: we're truly outnumbered now," Lachey joked in an interview with E! News in May.

"We're done. We're happy with three," Vanessa added. "I think the Lachey party of five is a good number."

Vanessa is a former Miss Teen USA winner who later served as a host on "Entertainment Tonight."

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She dedicated a sweet post to Lachey, a singer for the boy band 98 Degrees, on Father's Day this month.

"I've said it before... you are the reason for EVERYTHING good in my life. But also, you are 'our' EVERYTHING!" she captioned a photo of Lachey with their children.

"Thank You for your unconditional magical Love! We LOVE You to the moon and back and back again! Happy Father's Day, Daddy!!!"