Nah, being happy that others are happy isn’t egotism, it’s being a functional social creature. Making a charitable decision at your own expense is a good thing, and feeling good about the decision or being congratulated by someone else does not negate that.
No, Princes of the Universe will get the slow whisper sung cover for the trailer.
Who Wants to Live Forever will get the dancy uptempo Demi Lovato cover in the end credits.