Drew Barrymoreis giving personality props to exJustin Long.The actress, 47, recalled dating Long, 44, “for many years” while chatting with Mike Birbiglia during her daytime talk show’s"A Little Bit Extra"segment on Thursday.“I was very much in love with Justin. You know why? ‘Cause he is funny. The sharpest wit,” said Barrymore, who starred with Long in 2009’sHe’s Just Not That into Youand 2010’sGoing the Distance.She added of Long, who is currently datingKate Bosworth, “You wanna know why he gets all the ladies? Well, there’s a few reasons … but the comedy is definitely [one of them].““He is one of the sharpest, wittiest [people],” Barrymore raved. “He’s brilliant, and he’ll just knock your socks off with laughter.“Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human-interest stories.Drew Barrymore and Justin Long in 2010.Frank Trapper/Corbis via GettyMeanwhile, Long and Bosworth, 39, formally confirmed their relationship back in April,after being seen kissing on a beach in Hawaii.The couple previously revealed that they filmed a project together in Arkansas — now known to beHouse of Darkness— after which Bosworth posteda glowing,lengthy tribute to Longon Instagram with a carousel of photos, including one playful snap of him cradling Bosworth in his arms.Long jokingly commented, “That’s ALL you wrote about me??? Well… I admire your restraint.“He continued, “I joke because this is embarrassing and too much… I’m going to say even nicer things about you publicly because people should know what a rare gem you are - all the things you said about me but a little bit (or a lot) more. It was a true joy to be in your glow.“Thetrailer forHouse of Darknessdropped Thursday. The thriller follows Long as “a player out to score” who drives a woman (Bosworth) home after meeting her at a bar.While the man “thinks his beautiful, mysterious date will be another casual hook-up,” an official synopsis adds, “their flirtation turns playful, sexy and sinister. Hoping to get lucky, his luck may have just run out.“TheRemember the Titansactress and theAcceptedactor firstsparked relationship rumorsin March, after they were spotted out and about together in Los Angeles.Since then, Bosworth has posteda sweet birthday tributeto her beau and the couple traveled to both Hawaiiand Ireland together, with Bosworthsharing a photofrom the latter trip to her Instagram in June.

Drew Barrymoreis giving personality props to exJustin Long.

The actress, 47, recalled dating Long, 44, “for many years” while chatting with Mike Birbiglia during her daytime talk show’s"A Little Bit Extra"segment on Thursday.

“I was very much in love with Justin. You know why? ‘Cause he is funny. The sharpest wit,” said Barrymore, who starred with Long in 2009’sHe’s Just Not That into Youand 2010’sGoing the Distance.

She added of Long, who is currently datingKate Bosworth, “You wanna know why he gets all the ladies? Well, there’s a few reasons … but the comedy is definitely [one of them].”

“He is one of the sharpest, wittiest [people],” Barrymore raved. “He’s brilliant, and he’ll just knock your socks off with laughter.”

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human-interest stories.

Drew Barrymore and Justin Long in 2010.Frank Trapper/Corbis via Getty

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Meanwhile, Long and Bosworth, 39, formally confirmed their relationship back in April,after being seen kissing on a beach in Hawaii.

The couple previously revealed that they filmed a project together in Arkansas — now known to beHouse of Darkness— after which Bosworth posteda glowing,lengthy tribute to Longon Instagram with a carousel of photos, including one playful snap of him cradling Bosworth in his arms.

Long jokingly commented, “That’s ALL you wrote about me??? Well… I admire your restraint.”

He continued, “I joke because this is embarrassing and too much… I’m going to say even nicer things about you publicly because people should know what a rare gem you are - all the things you said about me but a little bit (or a lot) more. It was a true joy to be in your glow.”

Thetrailer forHouse of Darknessdropped Thursday. The thriller follows Long as “a player out to score” who drives a woman (Bosworth) home after meeting her at a bar.

While the man “thinks his beautiful, mysterious date will be another casual hook-up,” an official synopsis adds, “their flirtation turns playful, sexy and sinister. Hoping to get lucky, his luck may have just run out.”

TheRemember the Titansactress and theAcceptedactor firstsparked relationship rumorsin March, after they were spotted out and about together in Los Angeles.

Since then, Bosworth has posteda sweet birthday tributeto her beau and the couple traveled to both Hawaiiand Ireland together, with Bosworthsharing a photofrom the latter trip to her Instagram in June.

source: people.com