Monica has sold 5.3 million albums in the United States and she is recognized as one of the most successful urban R&amp;B female vocalists to begin a career in the mid to late 1990s. According to "Billboard", she is the youngest recording act to ever have two consecutive chart-topping hits on the "Billboard" Top R&amp;B Singles chart, as well as the first artist to top the US &lt;a href="Hot%20R%26amp%3BB/Hip-Hop%20Songs"&gt;"Billboard" Hot R&amp;B/Hip-Hop Songs&lt;/a&gt; chart over the span of three consecutive decades (1990s, 2000s, and 2010s). In 2010, "Billboard" listed Monica at number 24 on its list of the Top 50 R&amp;B and Hip Hop Artists of the past 25 years. A four-time nominee, she won a Grammy Award for Best R&amp;B Performance by a Duo or Group with Vocals for her contribution to "The Boy Is Mine" alongside Brandy, at the 41st awards ceremony and has been the recipient of one "Billboard" Music Award, one BET Award, and two BMI Pop Awards.