Beaming Face with Smiling Eyes

The 😁 Beaming Face with Smiling Eyes emoji shows a wide, toothy grin with smiling, crescent-shaped eyes, representing intense happiness, excitement, or satisfaction.

It can be used when saying someone is happy, excited, or has an achievement. The emoji has a friendly and lively impression, so it is best to use when one wants to celebrate some good news, spread some happy news or react in a positive way in a humorous discussion. Depending on the situation, it might also imply some nervousness or discomfort.

Other emojis in the same category are 😄 Grinning Face with Smiling Eyes, a more feminine happy emoji, and 😅 Grinning Face with Sweat, where an element of relief or anxiety is added.
Grinning Face was approved as part of Unicode 6.0 in 2010 and added to Emoji 1.0 in 2015.