Demi Lovato is a versatile pop singer and songwriter with a vocal range of 4 octaves. Lovato's unique voice has a powerful and flexible upper register combined with a deep and soulful lower register. In this regard, Lovato's singing style is heavily influenced by R&B, gospel, and contemporary pop. The singer's unique vocal technique, belting, adds power and range to her voice. Belting is a method that involves shifting the vocal cords from the full voice to a head voice, thus producing a sound that is full-voiced and intense.

To learn how to sing like Demi Lovato, it’s essential to identify your vocal range, which can be determined through Singing Carrots' Vocal range test. Once you understand your range, start practicing warm-up exercises, such as Twang, Growling, mixed voice, and Vibrato, which are explained in the Singing Carrots resources listed in this prompt. It’s also crucial to maintain good posture, open mouth, and throat while singing. Additionally, when practicing vocal exercises, practice with the songs' original key to sing as Demi Lovato does.

To develop Demi Lovato's signature vocal style, listen to her songs and select those that suit your range. Study each song and identify specific techniques used, including dynamics, phrasing, and note delivery. Practice these techniques by using Singing Carrots' Pitch Training and Vocal Pitch Monitor tools. The Pitch Training tool helps in developing techniques, and Vocal Pitch Monitor ensures pitch accuracy.

Singing Carrots' song search section provides a plethora of songs to match your vocal range, difficulty level, and genre preference. Thus, to learn how to sing like Demi Lovato, you can search for her songs within your range to ensure proper technique development.

Singing Carrots' articles provide valuable tips and insights to supplement your learning. Some helpful Singing Carrots articles to support your learning include Analysis of Your Voice, Voice Types, Breathing Techniques, Open Mouth and Throat, Song Analysis, Constrictions, Pop/Jazz vs. Classical Singing, Vibrato, and Vocal Health.

In conclusion, learning to sing like Demi Lovato requires a dedicated effort to identify your vocal range, practice warm-up exercises, and study her songs to pick up on specific techniques. Singing Carrots' resources provide an excellent platform for beginner and intermediate-level singers to learn the essentials and equip themselves with the right tools to develop their unique sound.