Like Zac Efron, Bristol Palin celebrated turning another year older (and hopefully wiser, especially about using protection) yesterday on the 18th of October.
You can forgive us for missing the big day yesterday, however.
After all, the eldest daughter of former Alaska Gov. Sarah Palin, to gained notoriety for getting knocked up last year, has kept a rather low profile of late.
Unlike baby daddy Levi Johnston, who's looking to cash in on his 15 minutes of fame by posing nude and doing commercials for nuts, she's gone AWOL.
Good for Bristol Palin.
Here's a little photo tribute to the mother of baby Tripp, and one of America's favorite unwed teen moms, who just celebrated her 19th birthday ...