She has her head in the clouds.

More English words

• She has a bubbly personality. She is very cheerful and full of energy.
• Set a goal To decide on something that you hope to achieve
• She's as sharp as a tack. She is very intelligent and quick-witted.
• She is extremely talented. She is extremely talented.
• Steal someone's thunder To take the attention or praise away from someone else’s achievements
• Spill the beans To reveal a secret or disclose information.