The 19-year-old actress posted a picture of the giant bouquet she received Wednesday after she was spotted getting close to the 33-year-old reality star in Los Angeles.
"When he knows u like flowers," she captioned the picture on Snapchat without mentioning Disick by name.
Thorne and Disick were seen at dinner Monday at Catch LA restaurant, and continued their evening at The Nice Guy, according to Entertainment Tonight. The pair later visited The Peppermint Club and left around 1:30 a.m. in Disick's car.
"It was a real date," a source told People. "They were dancing together and getting cozy, but he was a total gentleman."
"It was just a fun night out," the insider added. "This isn't going to be some long-term relationship."
Thorne and Disick's outing comes amid rumors the reality star is seeing model Ella Ross. Disick was linked to Ross this month following word his ex-partner Kourtney Kardashian is dating Younes Bendjima.
"He doesn't like that [Kourtney] is dating," a source told People this month. "For him, it's fine to hang out with girls, but when Kourtney does, he pouts."
"Kourtney doesn't care what he thinks," the insider added. "She just thinks he is the last person who should have any opinions about who she is dating."
Disick and Kardashian split in 2015 after nine years of dating. The former couple share three children: 7-year-old son Mason, 4-year-old daughter Penelope and 2-year-old son Reign.