Sam Asgharihas a sweet message for all mothers out there — including girlfriendBritney Spears.

Asghari, 25, shared a Mother’s Day tribute to Instagram Sunday, and included a photo of him cuddling up to the singer, whom he’s been dating for two years.

“Happy Mother’s Day to all the beautiful mothers out there doing the toughest job in the world! #tbt,” he wrote.

The “Piece of Me” singer, 37, is mom to sonsSean Preston, 13, andJayden James, 12, with ex-husband Kevin Federline.

Spears and Asghari were first romantically linked after meeting on the set of her “Slumber Party” music video in 2016.

The couple has been going strong amid the singer’s decision to seek treatment, as theyspent Easter weekend together, and he was the one to pick her up from her stay at an“all-encompassing wellness facility.”

When Spears first checked in for treatment in early April, Asgharishared a message of supportto social media.

J. Merritt/Getty Images for GLAAD

Britney Spears and Sam Asghari

Shortly after, heshared a collection of sweet clipsof the couple packing on the PDA to Instagram in honor of International Kissing Day.

Asghari’s sweet Mother’s Day tribute comes two days after the pop starappeared in a Los Angeles courthousewith her mother, Lynne, for her conservatorship hearing.

The hearing was closed to reporters and the public after Britney’s attorney shared that she wanted to address the court concerning “issues with medical care,” minor children and private information.

Meanwhile, a source told PEOPLE that the judge at today’s hearing ordered expert evaluation and that Britney asked for certain freedoms under her conservatorship, but the judge didn’t grant that request.

Lynne filed a legal motion last week to be kept informed of all matters pertaining to the singer’s conservatorship, which has been in place since 2008 with dad Jamie, 66, as the permanent conservator of her affairs.

source: people.com