HaveLady Gagaandrumored boyfriend Daniel Hortoncalled it quits?Gaga, 33, sparked speculation of a breakup while attending her longtime makeup artist Sarah Tanno’s bachelorette bash on Friday.Sharing a selfie of herself and the bride-to-be, the singer — who also shared that she was “in a lot of pain” after suffering anasty fallthe previous day — captioned it, “an about to be married woman and me, a single lady.”The “Shallow” singer and the audio engineer, 37, were last seen togetherat a concertfor The Cure and the Pixies in September.A rep for Gaga did not immediately respond to PEOPLE’s request for comment.Lady Gaga/InstagramGaga and Horton first sparked romance rumors in July, after they werephotographed kissingduring a brunch date in Los Angeles.A source told PEOPLE at the time that the pair dined for about an hour and were deep in conversation. “They were kissing as they spoke really close up,” said the source.“Ironically, she had a table in the front near the sidewalk, so she was clearly okay with being seen,” the source added. “Sheseemed very happywhen interacting with the guy she was with.”RELATED VIDEO:Lady Gaga‘Seems Happier Lately’ Amid Buzz She’s Dating Audio Engineer Dan Horton: SourceAccording to his LinkedIn page, Horton has worked as a monitor engineer for Gaga since November 2018, before shestarted her Las Vegas residency. He is also the owner of Audio Engineering Consulting Group, according to the site, and has previously worked with other big-name artists such as Camila Cabello,Bruno MarsandJustin Timberlake.David Fisher/ShutterstockHorton, who is Nashville based, was previously married to actress Autumn Guzzardi, who is currently a castmember in the off-Broadway musicalRock of Ages. The two tied the knot in 2013, and Guzzardi’s most recent Instagram post of the two is from 2016.In February, Gaga split fromex-fiancé Christian Carino. She was previously engaged to actorTaylor Kinneyin 2015, but the two parted ways a year later.

HaveLady Gagaandrumored boyfriend Daniel Hortoncalled it quits?

Gaga, 33, sparked speculation of a breakup while attending her longtime makeup artist Sarah Tanno’s bachelorette bash on Friday.

Sharing a selfie of herself and the bride-to-be, the singer — who also shared that she was “in a lot of pain” after suffering anasty fallthe previous day — captioned it, “an about to be married woman and me, a single lady.”

The “Shallow” singer and the audio engineer, 37, were last seen togetherat a concertfor The Cure and the Pixies in September.

A rep for Gaga did not immediately respond to PEOPLE’s request for comment.

Lady Gaga/Instagram

Lady Gaga

Gaga and Horton first sparked romance rumors in July, after they werephotographed kissingduring a brunch date in Los Angeles.

A source told PEOPLE at the time that the pair dined for about an hour and were deep in conversation. “They were kissing as they spoke really close up,” said the source.

“Ironically, she had a table in the front near the sidewalk, so she was clearly okay with being seen,” the source added. “Sheseemed very happywhen interacting with the guy she was with.”

RELATED VIDEO:Lady Gaga‘Seems Happier Lately’ Amid Buzz She’s Dating Audio Engineer Dan Horton: Source

According to his LinkedIn page, Horton has worked as a monitor engineer for Gaga since November 2018, before shestarted her Las Vegas residency. He is also the owner of Audio Engineering Consulting Group, according to the site, and has previously worked with other big-name artists such as Camila Cabello,Bruno MarsandJustin Timberlake.

David Fisher/Shutterstock

Lady Gaga

Horton, who is Nashville based, was previously married to actress Autumn Guzzardi, who is currently a castmember in the off-Broadway musicalRock of Ages. The two tied the knot in 2013, and Guzzardi’s most recent Instagram post of the two is from 2016.

In February, Gaga split fromex-fiancé Christian Carino. She was previously engaged to actorTaylor Kinneyin 2015, but the two parted ways a year later.

source: people.com