Smiling Face with Halo
A yellow face with smiling eyes, closed smile, and halo, usually blue, overhead. Often represents angels, prayers, and blessings. May also convey angelic behavior, e.g., doing good deeds. See also ๐ผ Baby Angel.
Several platforms, including Apple, feature an expression similar to their ๐ Smiling Face With Smiling Eyes.
Smiling Face with Halo was approved as part of Unicode 6.0 in 2010 and added to Emoji 1.0 in 2015.