Diane Keaton is known for her distinctive vocal qualities, including a breathy and slightly nasal tone. Her singing voice is often characterized as tender, vulnerable, and authentic. If you want to learn to sing like Diane Keaton, you may find the following tips helpful.

• First, work on your breathing technique. Diane Keaton's breathy sound comes from proper breath support and control. You can practice this by doing breathing exercises, such as the Farinelli Breathing exercise or the Breath Support exercise from Singing Carrots' Pitch Training program.
• Next, focus on your posture. Good posture is essential for producing a clear and powerful voice. Check out the Good Singing Posture video from Singing Carrots' Skill-related Videos for a demonstration of proper posture while singing.
• Another aspect of Diane Keaton's singing style is her use of light twang. This technique can help you hit higher notes with ease and add a unique quality to your voice. The How to Twang Exercise video from Singing Carrots' Skill-related Videos will give you a good idea of how to use this technique.
• In terms of repertoire, Diane Keaton is known for her performances of songs from the Great American Songbook, as well as her own original compositions. You can find songs in this style using the Song search tool on Singing Carrots and filter by genre, difficulty, and vocal range.
• Remember to warm up before singing, and don't strain your voice. Singing should feel comfortable and enjoyable. For more tips and exercises on singing, check out the Singing Carrots' resources mentioned above, including the Singing Course and blog articles.

By following these tips and incorporating Singing Carrots' resources into your practice routine, you can learn to sing like Diane Keaton and find your own authentic voice.