Demi Lovatolooked “Confident” while showing PDA with Henry Levy in Los Angeles on Saturday, marking a rare sighting of the singer after shesuffered an overdosein July.

“Demi looked great. She seemed happy about her date night,” a Nobu source tells PEOPLE. “They were very affectionate. They walked in hand-in-hand and kissed throughout dinner. They definitely looked like a couple. He was very sweet to her and even stood up when she went to the ladies room. They shared a lot of food, including dessert, but no alcohol. He took care of the check.”

Days after Lovato returned from rehab, the twowere previously seen togetheroutside of Matsuhisa in Los Angeles in November,TMZreported at the time.

“He is someone she met years ago,” a Lovato friendtold PEOPLE in November. “Henry has been helping Demi stay on the right path.”

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“Demi has known Henry for years and wore his clothes in the past,” another insider previously told PEOPLE. “He has a bit of a troubled past as well, but is doing well now. He will be great at supporting Demi’s sobriety. He is kind of an eccentric guy, but sweet. Demi won’t be bored with him. He is very creative and passionate about life.”

Lovato had exciting news to toast at Nobu: On Friday, Lovato andChristina Aguilerawere nominated for a Grammyfor their duet “Fall in Line.”

“Woke up filled with hope. Dreams come true y’all… thank you Christina. I love you so much,” Lovatotweetedthat day.

“I grew up in Texas, singing to Christina every day, DESPERATELY trying to hit her high notes,” sheadded. “if you would’ve told me I’d have a Grammy nod with her I would’ve laughed in your face!! This is so surreal.”

RELATED VIDEO:Justin Bieberand Hailey Baldwin Look at Home WhereDemi LovatoOverdosed as They House Hunt

After Lovato’s July overdose, shewas hospitalized for almost two weeks. PEOPLE confirmed in November that Lovato had finished her stay in rehab.

That month, PEOPLE reported that Lovato was spending time at her motherDianna De La Garza‘s house and a sober living facility.

“Demi seems to be doing well. She looks really good and is in a great mood. She also seems happy about being out and about, but her focus is definitely still her recovery,” a source told PEOPLE.

“She attends meetings and receives treatment. Her number one priority seems to be her health,” the source noted.

In December, Lovatoglowedin aselfieafter a jiu-jitsu workout. “Sweaty, messy jiu jitsu hair,” she captioned it. “#BJJ #bluebelt #nevergiveup.”

source: people.com