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The actor tuned 34 years old this week

He's made appearances on Tim Allen's ABC show

CNN  — 

Get ready to feel old: Jonathan Taylor Thomas is 34.

The “Home Improvement” star celebrated his birthday Tuesday, and it was a reminder that child stars have a habit of growing up fast.

As he has aged, so has Taylor’s fan base, who took to Twitter to wish a happy birthday to their dreamy crush from years back.

The actor, who also voiced young Simba in “The Lion King,” was off the radar for years before he started making appearances on his former “Home Improvement” co-star Tim Allen’s show “Last Man Standing.”