Tamar Braxton is inching toward another top ten charting hit.

"Let Me Know," her new single featuring Future, reached the top fifteen on the R&B Songs during the latest tracking week.

In its fourth week of availability, "Let Me Know" moved 18-14 on the Billboard R&B Songs chart.

Growing at adult R&B radio, the single is also up 20-16 on the Adult R&B National Airplay chart in its third week there.

"Let Me Know" leads Tamar Braxton's forthcoming follow up to "Love & War," which earned her several Grammy nominations.

In related news, Tamar Braxton has launched the Tamar Collection, an apparel line featuring dresses, pants and shoes. The collection is available via TamarCollection.com.