13th Birthday Messages

The best collection of happy 13th birthday messages that you can use in a birthday greeting.

• Welcome to the teens.
• You're not a kid anymore.
• Congrats, you're a teenager now.
• Happy 13th birthday.
• Happy coming of age.
• From kid to teen, you're finally 13!
• Happy birthday to a special teenager.
• Hope your 13th birthday is as special as you are.
• Congratulations on officially becoming a teenager.
• Little boy no more, you're a grown man.
• Little girl no more, you're a grown woman.
• Welcome to the teenage years.
• Happy birthday to the coolest teen I know.
• Wishing you a very memorable 13th birthday.
• Best wishes to a super teen.