The creator is using a "New Insta Pic" to drive traffic from Instagram to a "BDAY STREAM" (birthday stream) on platforms like Twitch or YouTube .
On Instagram, "Birthday for Notes" allows users to see a confetti explosion when they type "happy birthday" or mention a friend's birthday. This is often used by creators during their birthday week to engage followers. The creator is using a "New Insta Pic"
Ensure your birthday is set in the Instagram Accounts Center so your followers get a reminder when you go live. Ensure your birthday is set in the Instagram
If you are looking to join this trend or create similar content, you might use: a common tactic to broaden reach.
The "Part 1" tag suggests this is the beginning of a multi-part series or a long celebration being broken down into highlights. Related Instagram Trends for Birthdays
The stream or post is likely designed for both French and English-speaking audiences, a common tactic to broaden reach.